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Cisco 7920 Administration Manual

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Cisco Wireless IP Phone 7920
Administration Guide for
Cisco CallManager Release 3.3 or
later
Corporate Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel:
408 526-4000
800 553-NETS (6387)
Fax:
408 526-4100
Text Part Number: OL-3930-02

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Summary of Contents for Cisco 7920

  • Page 1 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or later Corporate Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 526-4100 Text Part Number: OL-3930-02...
  • Page 2 You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures: •...
  • Page 3 All other trademarks mentioned in this document or Website are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (0406R) Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or later, CiscoWireless IP Phone 7920 Copyright © 2000-2004 Cisco Systems, Inc. All rights reserved.

  • Page 5: Table Of Contents

    Understanding the Cisco Wireless IP Phone 7920 Understanding the Voice Wireless Network Overview of a Wireless LAN The 802.11 Standard for Wireless LAN Communications Wireless Access Points Security Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 6 Re-registering the Phone Using the Cisco 7920 Phone Type 2-15 Adding Phones with Auto-Registration 2-16 Using Auto-Registration Prior to Release 3.3(3)SR1 2-17 Adding Phones with Auto-Registration and TAPS 2-18 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 7 Description of the Cisco 7920 Configuration Utility System Requirements Hardware Requirements Software Requirements How to Install the Cisco 7920 Configuration Utility Installing the Cisco 7920 Configuration Utility Installed Files Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 8 Configuring Network Settings on the Cisco Wireless IP Phone 7920 C H A P T E R Accessing Network Configuration Settings on the Phone Displaying the Network Configuration Menu Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later viii OL-3930-02...
  • Page 9 Setting the LEAP Password 6-13 Switching the LEAP Prompt Mode On and Off 6-14 Performing a Site Survey Verification 6-15 Site Survey Verification Steps 6-15 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 10 Symptom: The Cisco Wireless IP Phone Does Not Register with Cisco CallManager Registering the Phone with Cisco CallManager Checking Network Connectivity Verifying TFTP Server Settings Verifying IP Addressing and Routing Verifying DNS Settings Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 11 Selecting the Transmit Power 9-23 Changing the Cisco Discovery Protocol (CDP) Settings 9-23 Troubleshooting Tips for the Cisco 7920 Configuration Utility 9-24 Troubleshooting Information for Basic Problems 9-25 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 12 Upgrading Firmware on the Cisco Wireless IP Phone 7920 Physical and Operating Environment Specifications A P P E N D I X N D E X Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 13: Preface

    Audience Network engineers, system administrators, or telecom engineers should review this guide to learn the steps required to properly set up the Cisco IP Phone on the network. The tasks described are considered to be administration-level tasks and are not intended for end-users of the phones.

  • Page 14: Objectives

    Objectives Objectives This guide provides the required steps to get the Cisco Wireless IP Phone 7920 up and running on a wireless Voice-over-IP (VoIP) network. Because of the complexity of an IP telephony network, this guide does not provide complete and detailed information for procedures that you need to perform on the Cisco CallManager application or other network devices.

  • Page 15: Related Documentation

    Cisco Wireless 7920 Design and Deployment Guide • For more information about Cisco CallManager, refer to the following publications, which are available at this location: http://www.cisco.com/univercd/cc/td/doc/product/voice/c_callmg/index.htm Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 16: Obtaining Documentation

    You can access the Cisco website at this URL: http://www.cisco.com You can access international Cisco websites at this URL: http://www.cisco.com/public/countries_languages.shtml Ordering Documentation You can find instructions for ordering documentation at this URL: http://www.cisco.com/univercd/cc/td/doc/es_inpck/pdi.htm Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 17: Documentation Feedback

    Cisco.com features extensive online support resources. In addition, Cisco Technical Assistance Center (TAC) engineers provide telephone support. If you do not hold a valid Cisco service contract, contact your reseller. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later xvii OL-3930-02...

  • Page 18: Cisco Technical Support Website

    EMEA: +32 2 704 55 55 USA: 1 800 553 2447 For a complete list of Cisco TAC contacts, go to this URL: http://www.cisco.com/techsupport/contacts Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later xviii OL-3930-02...

  • Page 19: Definitions Of Service Request Severity

    Both new and experienced users will benefit from these publications. For current Cisco Press titles and other information, go to Cisco Press at this URL: http://www.ciscopress.com Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 20: Document Conventions

    Commands and keywords are in boldface. italic font Arguments for which you supply values are in italics. Elements in square brackets are optional. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 21 Caution Means reader be careful. In this situation, you might do something that could result in equipment damage or loss of data. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 22 Turvallisuusvaroitusten käännökset löytyvät laitteen mukana toimitettujen käännettyjen turvallisuusvaroitusten joukosta varoitusten lopussa näkyvien lausuntonumeroiden avulla. SÄILYTÄ NÄMÄ OHJEET Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later xxii OL-3930-02...
  • Page 23 Utilizzare il numero di istruzione presente alla fine di ciascuna avvertenza per individuare le traduzioni delle avvertenze riportate in questo documento. CONSERVARE QUESTE ISTRUZIONI Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later xxiii OL-3930-02...
  • Page 24 Al final de cada advertencia encontrará el número que le ayudará a encontrar el texto traducido en el apartado de traducciones que acompaña a este dispositivo. GUARDE ESTAS INSTRUCCIONES Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later xxiv OL-3930-02...
  • Page 25 Använd det nummer som finns i slutet av varje varning för att hitta dess översättning i de översatta säkerhetsvarningar som medföljer denna anordning. SPARA DESSA ANVISNINGAR Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 26 Preface Document Conventions Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later xxvi OL-3930-02...

  • Page 27: Chapter 1 An Overview Of The Cisco Wireless Ip Phone 7920

    Features Supported on the Cisco Wireless IP Phone 7920, page 1-10 Understanding the Requirements for Installing and Configuring the • Cisco Wireless IP Phone 7920, page 1-13 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 28: Understanding The Cisco Wireless Ip Phone 7920

    Understanding the Cisco Wireless IP Phone 7920 Understanding the Cisco Wireless IP Phone 7920 The Cisco Wireless IP Phone 7920 is an 802.11b wireless IP phone that provides comprehensive voice communications in conjunction with Cisco CallManager and Cisco Aironet 802.11b Access Points (APs) in a private business communications network.
  • Page 29 Features Supported on the Cisco Wireless IP Phone 7920, page 1-10 Understanding the Requirements for Installing and Configuring the • Cisco Wireless IP Phone 7920, page 1-13 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 30: Understanding The Voice Wireless Network

    Ethernet network. Phone calls are sent to the Cisco CallManager server for call processing and routing. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 31: The 802.11 Standard For Wireless Lan Communications

    (DSSS) technology was developed to spread the signal out over the frequency range or bandwidth. DSSS technology multiplexes chunks of data over several frequencies so that multiple Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 32: Wireless Access Points

    Understanding the Voice Wireless Network devices can communicate without interference. Each device has a special code that it uses to identify its data packets and to ignore all others. The Cisco wireless products use DSSS technology to support multiple devices on the WLAN.

  • Page 33: Security

    Cisco IP Phones support several industry-standard and Cisco networking protocols for voice communication. Table 1-1 provides an overview of the networking protocols that the Cisco Wireless IP Phone 7920 supports. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 34 TFTP additional network parameters. server IP address as the option value. For additional supported DCHP configurations, refer to Cisco CallManager System Guide. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 35 Related Topics Understanding the Phone Startup Process, page 2-9 • • Interactions with Components in the VoIP Network, page 2-1 Modifying DHCP Settings, page 5-7 • Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 36: Feature Overview

    • Like other network devices, you must configure the Cisco Wireless IP Phones to prepare them to access Cisco CallManager and the rest of the IP network. See the “Configuring Network Features for the Cisco Wireless IP Phone” section on Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later...

  • Page 37: Configuring Telephony Features

    You can access the complete Cisco CallManager documentation suite at this location: http://www.cisco.com/univercd/cc/td/doc/product/voice/c_callmg/index.htm Related Topic Configuring Telephony Features Using Cisco CallManager Administration, • page 7-2 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 1-11 OL-3930-02...

  • Page 38: Configuring Network Features For The Cisco Wireless Ip Phone

    • You can use the Cisco 7920 Configuration Utility on a personal computer and connect to the Cisco Wireless IP Phone 7920 with a USB cable to configure phone and network settings. For more information, see Chapter 4, “Using the Cisco 7920 Configuration Utility.”...

  • Page 39: Understanding The Requirements For Installing And Configuring The Cisco Wireless Ip Phone 7920

    Cisco CallManager, and make changes locally on the phone. Table 1-2 for an overview of required procedures. For detailed information about these procedures, refer to the sources shown. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 1-13 OL-3930-02...
  • Page 40 (conference Guide wireless voice coverage rooms), areas with RF interference (labs, equipment rooms), and areas not covered for wireless data (stairwells, elevators, breezeways) Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 1-14 OL-3930-02...
  • Page 41 IP Phone 7920” section on Utility. such as ring tone and phone lock page 5-1 password. See the “Using the Cisco 7920 Configuration Utility” section on page 4-1. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 1-15 OL-3930-02...

  • Page 42: Network

    Understanding the Cisco Wireless IP Phone 7920, page 1-2 Understanding the Voice Wireless Network, page 1-4 • Networking Protocols Used with Cisco Wireless IP Phones, page 1-7 • Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 1-16 OL-3930-02...

  • Page 43: Interactions With Components In The Voip Network

    Cisco CallManager. This chapter provides you with an important overview of the interaction between the Cisco Wireless IP Phone 7920 and other key components of the Voice over IP (VoIP) network in the wireless LAN (WLAN) environment. This chapter includes the following topics: Interactions with Components in the VoIP Network, page 2-1 •...

  • Page 44: Interacting With The Cisco Aironet Access Point

    The survey results provide information for the design and layout of the WLAN for voice. For more information about the site survey, refer to the Cisco Wireless IP Phone 7920 Deployment Recommendations document.

  • Page 45: Associating To An Access Point

    Wireless Network and Access Point Configuration, page 3-3 Associating to an Access Point At startup, the Cisco Wireless IP Phone 7920 uses its radio to scan for access points with SSIDs and encryption types that it recognizes. The phone lists eligible access point targets and uses the following two variables to determine the best access point with which to associate.

  • Page 46: Roaming In A Wireless Network

    IP Phones is the ability to move from one place to another while conversing on the phone. Unlike cellular phones that have nationwide coverage, the coverage area for Cisco Wireless IP Phone is much smaller so phone users must roam from one access point to another more frequently.

  • Page 47: Voice Quality In A Wireless Network

    • Security Mechanisms in the Wireless Network, page 2-6 Interacting with Cisco CallManager, page 2-8 • Wireless Network and Access Point Configuration, page 3-3 • Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 48: Security Mechanisms In The Wireless Network

    RADIUS server on your network. To ensure that voice traffic is secure, the Cisco Wireless IP Phone 7920 supports both static Wired Equivalent Privacy (WEP) and Cisco Light Extensible Authentication Protocol (LEAP) for authentication and encryption. When you use...

  • Page 49: Static Wep Authentication And Encryption

    RADIUS server is located. A local RADIUS server introduces less delay during roaming than a remote RADIUS server. Small, remote offices can use a RADIUS server on the Cisco AP to authenticate up to 50 usernames.

  • Page 50: Interacting With Cisco Callmanager

    DHCP allocates IP addresses dynamically and reuses IP addresses when devices no longer need them. If DHCP is enabled in the network, the Cisco Wireless IP Phone 7920 uses the DHCP scope settings in the DHCP server to perform the phone provisioning bootup process.

  • Page 51: Understanding The Phone Startup Process

    Table 2-1. Depending on your specific network configuration, not all of these steps may occur on your Cisco Wireless IP Phone. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 52 If set for LEAP, then the LEAP user name • and password are authenticated by the RADIUS server before network access is available. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 2-10 OL-3930-02...
  • Page 53 TFTP server, the phone attempts to Resolving Startup and • make a TCP connection to the highest priority Connectivity Cisco CallManager on the list. Problems, page 9-2 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 2-11 OL-3930-02...

  • Page 54: Understanding Phone Configuration Files And Profile Files

    Configuration files for a phone are stored on the TFTP server and define parameters for connecting to Cisco CallManager. In general, any time you make a change in Cisco CallManager that requires the phone to be reset, a change is made to the phone’s configuration file automatically.

  • Page 55: Determining The Mac Address Of A Cisco Ip Phone

    Cisco CallManager database. The following sections describe these methods: Support for the Cisco 7920 Phone Type, page 2-14 • • Adding Phones with Auto-Registration, page 2-16 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 2-13 OL-3930-02...

  • Page 56: Support For The Cisco 7920 Phone Type

    Cisco wireless phones on your network that were previously configured as Cisco IP Phone 7960s, you will need to remove those Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 2-14...

  • Page 57: Re-Registering The Phone Using The Cisco 7920 Phone Type

    Cisco Wireless IP Phone 7920s that were previously configured as Cisco IP Phone 7960s. If this is the case, you need to remove those phones from the Cisco CallManager database and assign the Cisco 7920 phone type to the...

  • Page 58: Adding Phones With Auto-Registration

    Enter the required fields. Step 11 When you update the firmware image for the Cisco Wireless IP Phone 7920 in Note Cisco CallManager versions prior to release 3.3(3) SR1, you must assign the Cisco IP Phone 7960 phone type to the Cisco Wireless IP Phone 7920 when adding the phone through the Cisco CallManager Administration application.

  • Page 59: Using Auto-Registration Prior To Release 3.3(3)Sr1

    Cisco CallManager 3.3 released prior to 3.3(3) SR1, you need to make the configuration files on the phone available to the Cisco CallManager so the phone can be registered with the Cisco 7960 phone type. If the configuration files are not available, the Cisco CallManager cannot auto-register the phone.

  • Page 60: Adding Phones With Auto-Registration And Taps

    Cisco CallManager Administration. To do so, you first need to obtain the MAC address for each phone. See the “Determining the MAC Address of a Cisco IP Phone” section on page 2-13 for instructions. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 2-18 OL-3930-02...

  • Page 61: Adding Phones With Bat

    MAC Address of a Cisco IP Phone” section on page 2-13 for instructions. Note When using BAT to add Cisco Wireless IP Phones, use the default setting for the phone load. The phone load name includes symbols (-, _, .) and BAT does not permit symbols in an entry.
  • Page 62 Chapter 2 Preparing to Install the Cisco Wireless IP Phone 7920 on Your Wireless Network Adding Phones to the Cisco CallManager Database Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 2-20 OL-3930-02...
  • Page 63 Powering On the Wireless IP Phone 7920, page 3-16 Note Before you install a Cisco Wireless IP Phone 7920, you must make some critical decisions about how to configure the phone in your network. Then, you can install the phone and verify its functionality. For more information, see Chapter 2, “Preparing to Install the Cisco Wireless IP Phone 7920 on Your Wireless...

  • Page 64: Before You Begin

    Setting Up the Cisco Wireless IP Phone 7920 Before You Begin Network Requirements For the Cisco Wireless IP Phone 7920 to successfully operate as a Cisco IP Phone endpoint in your network, your network must meet the following requirements: •...

  • Page 65: Wireless Network And Access Point Configuration

    Cisco Aironet Access Point. For more information about configuring your AP, refer to the appropriate Cisco Aironet Access Point Installation and Configuration Guide for your model. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 66 Enable ARP Caching Enable this option to ensure two-way Refer to the Wireless 7920 Design audio. The AP has ARP caching and Deployment Guide disabled by default. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 67: Safety And Performance Information

    This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 68 The power supply must be placed indoors. Statement 331 Warning Warning Ultimate disposal of this product should be handled according to all national laws and regulations. Statement 1040 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 69: Battery Safety Notices

    15 minutes and seek medical attention. Do not charge the battery pack if the ambient temperature exceeds 104 degrees Caution Fahrenheit (40 degrees Celsius). Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 70 Standard battery CP-BATT-7920-STD — Extended battery —CP-BATT-7920-EXT Only use the Cisco power supply that was provided with your phone. If you need to Caution replace your power supply, refer to the list of Cisco part numbers. North America —CP-PWR-7920-NA Central Europe CP-PWR-7920-CE —...

  • Page 71: Providing Power To The Cisco Ip Phone

    Providing Power to the Cisco IP Phone Providing Power to the Cisco IP Phone The Cisco Wireless IP Phone 7920 uses a battery for power. This section includes the following information about installing and charging the battery: Installing the Battery, page 3-9 •...
  • Page 72 Figure 3-1) in the corresponding slots at Step 1 the bottom of the Cisco Wireless IP Phone 7920. Make sure that the metal contacts on the battery and the phone are facing each other. Step 2 Press the battery to the body of the phone until it locks into place.

  • Page 73: Power Supply For Charging The Battery

    To use the adapter, plug it into a wall outlet, and insert the connector into the base of your Cisco Wireless IP Phone 7920 or to the back of the desktop charger. You can use the phone while the battery is being charged.

  • Page 74: Charging The Phone Battery

    When the battery is fully charged, you can disconnect the charger from the phone, and unplug the power cord from the AC wall outlet. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 3-12 OL-3930-02...
  • Page 75 Chapter 3 Setting Up the Cisco Wireless IP Phone 7920 Providing Power to the Cisco IP Phone Figure 3-3 Charging the Phone Battery Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 3-13 OL-3930-02...

  • Page 76: Using The Desktop Charger

    4 AC adapter—Plugs into wall outlet 2 Lower compartment—For the battery 5 LED indicator—Indicates battery charging status 3 USB A-type to B-type cable— Connects phone to the PC Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 3-14 OL-3930-02...
  • Page 77 Plug the AC adapter into a wall outlet, and insert the connector (4) into the back of the desktop charger. Step 2 Insert the Cisco Wireless IP Phone 7920 into the upper compartment (1) of the charger. Step 3 Insert the spare battery into the lower compartment (2).

  • Page 78: Powering On The Wireless Ip Phone 7920

    Startup Settings for a Network Without DHCP, page 3-18 To power on the Cisco Wireless IP Phone 7920, you can press and hold the Power On button for two to three seconds and the phone begins its startup process by cycling through the following steps.

  • Page 79: Active And Standby Phone Modes

    Startup Settings for a Network Without DHCP, page 3-18 • Active and Standby Phone Modes When the Cisco Wireless IP Phone 7920 is powered on, it can be in one of two modes. Active mode—The phone is in an active call, is scanning for channels, is sending CDP packets or keep-alive messages, or is reregistering with Cisco CallManager in active mode.

  • Page 80: Startup Settings For A Network Without Dhcp

    “Configuring Network Settings on the Cisco Wireless IP Phone 7920.” Related Topics • Understanding the Phone Startup Process, page 2-9 Resolving Startup and Connectivity Problems, page 9-2 • Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 3-18 OL-3930-02...

  • Page 81: Overview Of The Cisco 7920 Configuration Utility

    How to Use the Cisco 7920 Configuration Utility, page 4-15 • • Configuration File Format, page 4-29 You can also configure network settings on the Cisco Wireless IP Phone 7920 by using the Network Configuration menu. See Chapter 5, “Configuring Network Settings on the Cisco Wireless IP Phone 7920”...

  • Page 82: Description Of The Cisco 7920 Configuration Utility

    How to Use the Cisco 7920 Configuration Utility, page 4-15 • System Requirements To install and run the Cisco 7920 Configuration Utility, your computer must meet the following hardware and software requirements. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 83: Hardware Requirements

    • A keyboard and mouse or other pointing device Software Requirements To run the Cisco 7920 Configuration Utility, you must have one of the following versions of Microsoft Windows installed and configured on the PC: • Windows 98 (Second Edition) Windows ME •...

  • Page 84: How To Install The Cisco 7920 Configuration Utility

    During installation, the following files are copied to your specified location: Cisco7920.exe: Main executable program • Cisco7920.pdf: Cisco 7920 Administrator Guide • • Expat.dll: XML parser Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 85: Uninstalling The Cisco 7920 Configuration Utility

    To enable the USB port, press the Menu softkey, then select Phone Settings > Step 2 Enable/Disable USB Port > Enable. Connect the USB cable from the computer to the Cisco Wireless IP Phone 7920. Step 3 For users running Windows 98, Windows ME, and Windows 2000, the USB driver...
  • Page 86 For users running Windows 2000 and Windows XP, the USB installation is complete and the Cisco 7920 Configuration Utility will assign a private IP address for the Cisco 7920 USB. These users can skip the rest of this procedure. Users running Windows 98 and Windows ME should continue to...

  • Page 87: Network Connection For The Cisco 7920 Configuration Utility

    192.168.1.x network, the USB adapter might fail to load after you enable the USB on the Cisco Wireless IP Phone 7920. You need to disable network connectivity between the PC and the 192.168.1.x network. By changing the 802.11b parameters for the Cisco Wireless IP Phone 7920, the phone...

  • Page 88: Overview Of The Application Windows 4-8

    The Current Phone Settings window, as shown in Figure 4-1, appears in the Main window when the Configuration Utility is started and connected to a phone. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 89: Log History Window

    Log files are ASCII-based. You can read a log file by using a simple ASCII text editor. Log files contain the parts identified in Table 4-1. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 90: Connection Status Bar

    On the left side of the status bar, the LED indicator shows the current connection status as described in Table 4-2. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 4-10 OL-3930-02...

  • Page 91: Using The File Menu

    • • Exit—Close the application Using the Edit Menu The Edit menu provides the following standard Windows editing options: • Copy • • Paste Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 4-11 OL-3930-02...

  • Page 92: Using The View Menu

    You must log in to the phone to import, export, or upload firmware. Choose Connection > Login. The default usernames and passwords are as shown in Table 4-3. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 4-12 OL-3930-02...
  • Page 93 Click OK. Logging Out Logging out disconnects the Cisco Wireless IP Phone 7920 from the PC. You will not be able to import settings from the phone, to export configuration files, or to upload the firmware image to the phone.
  • Page 94 Cisco 7920 Wireless IP Phone with the Cisco 7920 Configuration Utility. The history log records the uploading firmware image event. Be sure that the firmware image version in Cisco CallManager is the same as the Caution firmware version that you uploaded to the phone. If the firmware version is...

  • Page 95: How To Use The Cisco 7920 Configuration Utility

    Using the Cisco 7920 Configuration Utility How to Use the Cisco 7920 Configuration Utility If a user resets the Cisco Wireless IP Phone 7920 to factory defaults by using the Note Phone Settings menu, you must reenter the network configuration settings before the wireless IP phone can access the AP.

  • Page 96: Using The Settings Wizard

    Step 9 To save the settings to a configuration file, choose File > Save or File > Save As. To upload the file with the modified settings to the Cisco Wireless IP Phone 7920, Step 10 click the Export button.
  • Page 97 System Parameters • • RF Network Network Security • Phone Settings • • Phone Lock Password Figure 4-2 Settings Wizard and Phone Preference Window Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 4-17 OL-3930-02...

  • Page 98: Using The Phone Preferences Window

    Phone Settings • • Phone Lock Password For more information about the configuration tabs, see the “Configuring the Phone Settings” section on page 4-20 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 4-18 OL-3930-02...

  • Page 99: Phone Preference Window Task Buttons

    Click the Import button to obtain the settings from a Cisco Wireless IP Phone 7920 connected through a USB port. The imported settings are applied to the associated configuration tabs in the Phone Preference window. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 4-19 OL-3930-02...

  • Page 100: Configuring The Phone Settings

    Click the Export button to update the settings or firmware image of a Cisco Wireless IP Phone 7920 connected through a USB port. You need to save the modified settings before you can export them to the Cisco Wireless IP Phone 7920.
  • Page 101 IP addresses dynamically so that addresses can be reused when hosts no longer need them. If you use DHCP in the network and enable the DHCP client, the Cisco Wireless IP Phone 7920 can automatically obtain an IP address, subnet mask, and other IP configuration information from the DHCP server.
  • Page 102 To set the Transmit Power, click the arrow by the drop-down list and choose the Step 2 appropriate power setting. (Default setting is 20mW) Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 4-22 OL-3930-02...
  • Page 103 LEAP—Enables Cisco Light Extensible Authentication Protocol (LEAP), a proprietary Cisco protocol, designed for authenticating wireless devices by using a central RADIUS server in WLAN environment. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 4-23 OL-3930-02...
  • Page 104 Before you select the Open or Shared Key authentication type, you must set up the encryption schemes by using the Wired Equivalent Privacy (WEP) keys. Both the Cisco Wireless IP Phone 7920 and the Cisco Aironet APs support 40-bit and 128-bit encryption keys. You configure the WEP key by using hexidecimal characters.
  • Page 105 Default Ring Tone in Phone—Displays the current ring tone used on the • Cisco Wireless IP Phone 7920. There are two default ring tones: Chirp 1 and Chirp 2. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later...
  • Page 106 You can upload a new firmware image at the same time that you export the phone configuration to a Cisco Wireless IP Phone 7920. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 4-26 OL-3930-02...
  • Page 107 Use the Phone Lock Password tab in the Phone Preference window to set up the password or reset the password for the Cisco Wireless IP Phone 7920. Procedure Step 1 Click the Phone Lock Password tab.
  • Page 108 Speed Dial, Call History, and Profile settings. The network configuration is reset to default settings so that the phone cannot access the AP and telephony network. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 4-28 OL-3930-02...

  • Page 109: Configuration File Format

    Chapter 6, “Configuring the Wireless Network Settings on the Cisco Wireless IP Phone 7920.” You can also use the Cisco 7920 Configuration Utility after enabling the USB port to reconfigure the phone. See “Using the Settings Wizard” section on page...

  • Page 110: Available Settings For System Parameters

    1 | 5 | 20 | 50 | 100 Transmit power level (mW) DataRate 1 | 2 | 5.5 | 11 | Auto Data rate (Mbps) Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 4-30 OL-3930-02...

  • Page 111: Available Settings For Phone Configurations

    CDP transmission interval (seconds). CDPTTL Integer Value (0–255) CDP time to live (seconds). Related Topic • Using the Cisco 7920 Configuration Utility, page 4-15 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 4-31 OL-3930-02...
  • Page 112 Chapter 4 Using the Cisco 7920 Configuration Utility How to Use the Cisco 7920 Configuration Utility Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 4-32 OL-3930-02...

  • Page 113: Accessing Network Configuration Settings On The Phone

    IP Phone 7920 by using the Network Configuration menu on the phone. For a description of the options that appear on the Network Configuration menu, Table 5-1. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 114: Displaying The Network Configuration Menu

    Guidelines for Editing Settings in the Network Configuration Menu, page 5-3 • • Verifying or Entering Network Settings, page 5-4 Displaying the Network Configuration Menu To display the Network Config menu on a Cisco Wireless IP Phone 7920, follow these steps: Procedure Press the Menu softkey. Step 1 Choose Network Config.

  • Page 115: Guidelines For Editing Settings In The Network Configuration Menu

    . Press Use to insert the symbol into your text. Cancel editing mode—Press Back as needed to return to the menu option or • main screen. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 116: Verifying Or Entering Network Settings

    Address” section on page 5-9. Subnet Mask Indicates the subnet mask used by the See the “Assigning a Subnet phone. Mask” section on page 5-10. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 117 Device Pool Telephony router that assumes control section in Cisco CallManager of call processing if all other Administration. Cisco CallManager servers are unreachable. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 118: Viewing The Current Configuration

    Configuring Static Settings, page 5-9 • Configuring TFTP Options, page 5-13 • Viewing the Current Configuration To view the current network settings for a Cisco Wireless IP Phone 7920, use the following steps. Procedure Step 1 Press the Menu softkey.

  • Page 119: Modifying Dhcp Settings

    DHCP Menu Options Network Config DHCP Enable/disable Enable Disable Activate Static Settings IP Address Subnet Mask Primary Gateway Primary TFTP Server Primary DNS Server Secondary DNS Server Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 120: Enabling Dhcp

    Configuring Network Settings on the Cisco Wireless IP Phone 7920 Verifying or Entering Network Settings Enabling DHCP The Cisco IP Phones enable DHCP by default, but you can reset the protocol if it becomes disabled. Use the following steps to enable DHCP from the phone. Procedure Press the Menu softkey.
  • Page 121 The IP address is the unique logical address identifying each host computer, or node, on a TCP/IP network. An IP address is a 32-bit number expressed as four decimal numbers from 0 to 255 separated by periods. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 122 Scroll to Static Settings and press Select. Step 3 The Static Settings menu options display. Scroll to Subnet Mask, then press Select. Step 4 Press the Edit softkey. Step 5 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 5-10 OL-3930-02...
  • Page 123 Step 7 Assigning a Primary Gateway If you manually assign an IP address to the Cisco Wireless IP Phone 7920, you must indicate the primary gateway to be used. The gateway provides connectivity to the IP network beyond the subnet to which the phone belongs.
  • Page 124 Step 7 Assigning DNS Servers The DNS setting on the Cisco Wireless IP Phone 7920 allows you to use host names to specify remote computers. Host names are character strings with some mnemonic meaning, which makes it easier to associate to different computers than by using IP addresses.

  • Page 125: Configuring Tftp Options

    • Configuring TFTP Options If you use DHCP to direct the Cisco IP Phones to a TFTP server, you can also assign an alternative TFTP server to some phones instead of the one assigned by DHCP. To assign a TFTP server to a phone, use the following steps.

  • Page 126: Viewing The Media Access Control (Mac) Address

    Chapter 6, “Configuring the Wireless Network Settings on the Cisco Wireless IP Phone 7920.” Related Topics • Viewing the Current Configuration, page 5-6 Configuring TFTP Options, page 5-13 • Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 5-14 OL-3930-02...

  • Page 127: Ip Phone 7920

    Settings on the Cisco Wireless IP Phone 7920 In addition to the typical network settings for the Cisco Wireless IP Phone 7920 there are several configurable settings specific to the wireless network that you might need to modify from the phone menus.

  • Page 128: Accessing The Wireless Network Configuration Settings On The Phone

    Procedure Step 1 Press the Menu softkey. Choose Network Config > 802.11b. Step 2 Figure 6-1 shows the menu options for the 802.11b submenu. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 129 Entering or Verifying Wireless Settings, page 6-4 • Entering or Verifying 802.11b Configuration Settings, page 6-10 • • Performing a Site Survey Verification, page 6-15 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 130: Entering Or Verifying Wireless Settings

    MAC address for the access point to which the “Viewing the Associated Address phone is currently associated. Access Point MAC Address” section on page 6-10 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 131: Setting Up The Service Set Identifier (Ssid)

    Scroll to SSID and press Select. Step 3 The SSID options display. Scroll to SSID1, and press Select. Step 4 Choose Any or choose Specify. Step 5 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 132: Selecting The Authentication Type

    • LEAP—A proprietary protocol for use in 802.11 wireless LAN environments that exchanges a password and username with a RADIUS server in the network Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 133: Setting Up The Wired Equivalent Privacy Keys

    Cisco Wireless IP Phone 7920 and Cisco Aironet Access Points support both 40-bit and 128-bit encryption keys. If you do not use WEP encryption in the WLAN, then choose None. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 134: Configuring A Wep Key

    Step 3 Scroll to Encryption and press Select. The WEP Key options display. Scroll to the WEP key that you activated, and press Select. Step 4 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 135: Activating The Wireless Settings

    Step 2 Step 3 Scroll to Activate and press Select. The Service Set Identifier (SSID), authentication type, or Wired Equivalent Privacy (WEP) keys are activated. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 136: Entering Or Verifying 802.11B Configuration Settings

    Setting the Cisco Light Extensible Authentication Protocol (LEAP), page 6-12 Viewing the Associated Access Point MAC Address To identify the access point that the Cisco Wireless IP Phone 7920 is currently associated with, use the following steps. Procedure Press the Menu softkey.

  • Page 137: Viewing The Associated Ap Ssid

    • • Viewing the Network Type, page 6-11 Viewing the Associated AP SSID To identify the SSID that the AP and Cisco Wireless IP Phone 7920 are currently associated with, use the following steps. Procedure Step 1 Press the Menu softkey.

  • Page 138: Setting The Cisco Light Extensible Authentication Protocol (Leap)

    Scroll to LEAP and press Select. The LEAP options display. Scroll to Username and press Select. Step 4 Step 5 Press the Edit softkey. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 6-12 OL-3930-02...

  • Page 139: Setting The Leap Password

    For information about entering values, see the “Guidelines for Editing Settings in the Network Configuration Menu” section on page 5-3. Press Back to return to the LEAP options. Step 8 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 6-13 OL-3930-02...

  • Page 140: Switching The Leap Prompt Mode On And Off

    Entering or Verifying Wireless Settings, page 6-4 • Performing a Site Survey Verification, page 6-15 • Requirements for an Optimal Wireless Voice Environment, page 6-18 • Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 6-14 OL-3930-02...

  • Page 141: Performing A Site Survey Verification

    Check that Cisco Wireless IP Phones can make stationary phone calls with good quality audio. Step 5 Check that Cisco Wireless IP Phones can make roaming phone calls with good quality audio and no disconnections. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 6-15 OL-3930-02...

  • Page 142: Using The Cisco Wireless Ip Phone 7920 Site Survey Utility

    The phone displays a list of access points within range that have the same SSID and security settings as the phone. See the following sample site survey list. 1(A),abcd...20,0 6(C),abcd...51,0* 11(A),abcd...10,0 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 6-16 OL-3930-02...
  • Page 143 Voice Environment, page 6-18. In addition to the Cisco Wireless IP Phone 7920 site survey utility, you can also use the Cisco Aironet Client Utility Site Survey Utility from a laptop PC. Refer to the section on “Performing a Site Survey” in the...

  • Page 144: Requirements For An Optimal Wireless Voice Environment

    Overview of a Wireless LAN, page 1-4 • Interacting with the Cisco Aironet Access Point, page 2-2 • Voice Quality in a Wireless Network, page 2-5 • Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 6-18 OL-3930-02...

  • Page 145: Chapter 7 Configuring Features And Users

    Configuring Telephony Features Using Cisco CallManager Administration, • page 7-2 Creating Custom Phone Rings, page 7-4 • • Adding Users to Cisco CallManager, page 7-6 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 146: Configuring Telephony Features Using Cisco Callmanager Administration

    Refer to Cisco CallManager • to the Cisco CallManager system can retrieve the Administration Guide. call. Refer to Cisco CallManager • Features and Services Guide. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 147 Refer to Cisco CallManager • ring on a wireless IP phone and a desktop Administration Guide. IP phone. Refer to Cisco CallManager • System Guide. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 148: Creating Custom Phone Rings

    For wireless phone users in noisy environments, you can download a set of louder ring tones. For information about how to download these ring tones, see the “Downloading Loud Ring Tones” section on page 7-5. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 149: Downloading Loud Ring Tones

    Control Center. Right-click Cisco TFTP and click Restart To download and select a loud ring tone as the current ring tone, power on the Step 8 Cisco Wireless IP Phone 7920. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 150: Adding Users To Cisco Callmanager

    From the Download Ring Tone list, scroll to and select the desired loud ring tone. A check mark appears by the active ring tone. Step 11 From the Cisco Wireless IP Phone 7920, choose Menu > Profiles to adjust the ring volume. Make sure the ring volume is tuned to the maximum setting. Alternatively, Note you can choose the “Outdoors”...
  • Page 151 Related Topics • Configuring Telephony Features Using Cisco CallManager Administration, page 7-2 • Creating Custom Phone Rings, page 7-4 Downloading Loud Ring Tones, page 7-5 • Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 152 Chapter 7 Configuring Features and Users Adding Users to Cisco CallManager Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 153: Viewing Status, Statistics, And Firmware Information On The Cisco Wireless Ip Phone 7920

    Cisco Wireless IP Phone 7920. Procedure Step 1 Press the Menu softkey. Choose Phone Settings > Phone Status. Step 2 Select Current Config File. Step 3 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 154: Viewing Network Statistics

    Step 4 screen. Table 8-1 describes the items that appear in this screen. Step 5 To exit the Network Statistics screen, press the Back softkey. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 155: Viewing Firmware Versions

    (for example, 01-08). The following is an example of a firmware image name: 7920.4.0-01-08 To view the firmware information, use the following steps. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 156: Viewing The Hardware Information

    To verify the hardware version, use the following steps. Procedure Step 1 Press the Menu softkey. Choose Phone Settings > Phone Status. Step 2 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 157 To exit the Hardware Info screen, press the Back softkey. Step 4 Related Topics Viewing the Current Configuration, page 8-1 • Viewing Network Statistics, page 8-2 • • Viewing Firmware Versions, page 8-3 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 158 Chapter 8 Viewing Status, Statistics, and Firmware Information on the Cisco Wireless IP Phone 7920 Viewing the Hardware Information Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 159: Troubleshooting The Cisco Wireless Ip Phone 7920

    Erasing the Local Configuration, page 9-19 Administration Options on the Phone Menus, page 9-20 • Where to Go for More Troubleshooting Information, page 9-29 • Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 160: Resolving Startup And Connectivity Problems

    Power on a another previously functional Cisco Wireless IP Phone 7920 • to verify that the access point is active. Power on the Cisco Wireless IP Phone that will not start up and move to • a different access point location that is known to be good.

  • Page 161: Symptom: The Cisco Wireless Ip Phone Does Not Associate With A Cisco Aironet Access Point

    If you see the following error messages, check the follow problems: Authentication failed, No AP found Check if CCKM and ciphers are enabled on the AP. These features are not • supported. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 162: Symptom: The Cisco Wireless Ip Phone Does Not Register With Cisco Callmanager

    Cannot support all requested capabilities Check that TKIP/MIC or CKIP/CMIC are not enabled for the voice VLAN SSID on the AP. The Cisco Wireless IP Phone 7920 does not support these features. Symptom: The Cisco Wireless IP Phone Does Not Register with...

  • Page 163: Checking Network Connectivity

    Cisco CallManager database. The Cisco Wireless IP Phone 7920 can show up in Cisco CallManager as a Cisco IP Phone 7960. In Cisco CallManager versions prior to 3.3(3) SR 1, the 7920 phone device was not available, so wireless IP Phones were configured as Cisco IP Phone 7960s.

  • Page 164: Verifying Ip Addressing And Routing

    Troubleshooting the Cisco Wireless IP Phone 7920 Resolving Startup and Connectivity Problems The Cisco Wireless IP Phone 7920 does not cache the IP information passed from the DHCP server, so the TFTP request must be sent and responded to every time the phone power cycles.

  • Page 165: Verifying Dns Settings

    IP Phone 7920.” Verifying DNS Settings If you are using DNS to refer to the TFTP server or to Cisco CallManager, you must ensure that you have specified a DNS server. You should also verify that there is a CNAME entry in the DNS server for the TFTP server and for the Cisco CallManager system.

  • Page 166: Cisco Callmanager And Tftp Services Are Not Running

    The Service Status symbol changes from a square to an arrow. Note For more information about services, refer to Cisco CallManager Administration Guide for more information. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 167: Creating A New Configuration File

    Resolving Startup and Connectivity Problems, page 9-2 • Resolving Voice Quality and Roaming Problems, page 9-10 • Troubleshooting Tips for the Cisco Wireless IP Phone 7920, page 9-15 • Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 168: Resolving Voice Quality And Roaming Problems

    See the “Wireless Network and Access Point Configuration” section on page 3-3 information about AP settings. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 9-10 OL-3930-02...

  • Page 169: Identifying Intermittent Network Outages

    AP and switch as phone), it is likely that you do not have a voice VLAN or the appropriate QoS settings configured. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 9-11 OL-3930-02...

  • Page 170: Verifying That The Phones Have Not Been Intentionally Reset

    From Cisco CallManager, choose System > Server and verify that the server is Step 4 referred to by its IP address and not by its host name. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 9-12 OL-3930-02...

  • Page 171: Symptom: The Cisco Wireless Ip Phone Has Audio Problems

    Check that the Data Rate setting for the phone and the AP are the same. These settings should match or the phone should be set for Auto. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 9-13...

  • Page 172: Symptom: The Cisco Wireless Ip Phone Does Not Roam Properly

    Check to see if noise or interference in the coverage area is too great. Delays in voice conversation while roaming Use the Site Survey Utility on the Cisco Wireless IP Phone 7920 to see if there is another acceptable AP as a roaming option. The next AP should have an RSSI value of 35 or greater to roam successfully.

  • Page 173: General Troubleshooting Information

    Consider adjusting the RF coverage to provide a more stable environment. If the phone is not registered with a Cisco CallManager server, it is constantly scanning and becomes hot. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 9-15 OL-3930-02...
  • Page 174 You can download loud ring tones from the Software Download page on Cisco.com. See the “Downloading Loud Ring Tones” section on page 7-5. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 9-16 OL-3930-02...
  • Page 175 Technical Assistance Center (TAC) to have the phone unlocked. When TAC uses the master password to unlock a phone, Note all configuration is lost including the phone book entries. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 9-17 OL-3930-02...

  • Page 176: Logging Information For Troubleshooting

    Cisco CallManager server. You can use this information to check connectivity between the phone, Cisco CallManager servers and gateways during a call. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 9-18 OL-3930-02...

  • Page 177: Erasing The Local Configuration

    Only the personal phone book entries are retained. You must reconfigure the network settings for the phone to access the network again. Related Topics • Resolving Startup and Connectivity Problems, page 9-2 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 9-19 OL-3930-02...

  • Page 178: Administration Options On The Phone Menus

    To hide the options, press any key in the first level submenu. Then press the green key. Related Topics Using Hidden Options on the Phone Menus, page 9-21 • Troubleshooting Information for Basic Problems, page 9-25 • Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 9-20 OL-3930-02...

  • Page 179: Using Hidden Options On The Phone Menus

    Scroll to Power Save and press Select to open the Power Save menu. Step 3 Scroll to Disable to disable the Power Save mode. Step 4 Step 5 Press Save to keep the change. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 9-21 OL-3930-02...

  • Page 180: Performing A Trace Route

    AP can handle. To select the data rate, follow these steps: Procedure Step 1 Press the Menu softkey. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 9-22 OL-3930-02...

  • Page 181: Selecting The Transmit Power

    Changing the Cisco Discovery Protocol (CDP) Settings Some network devices do not use CDP. To change whether the phone transmits CDP packets and settings associated with CDP, follow these steps: Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 9-23 OL-3930-02...

  • Page 182: Troubleshooting Tips For The Cisco 7920 Configuration Utility

    • • Windows User Interface Operation Errors, page 9-25 TCP Connection Errors, page 9-25 • • File Format or File Access Errors, page 9-26 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 9-24 OL-3930-02...

  • Page 183: Troubleshooting Information For Basic Problems

    TCP Connection Errors Table 9-3 lists error codes, possible problems, and possible solutions for TCP connection errors when working with the Cisco 7920 Configuration Utility. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 9-25 OL-3930-02...

  • Page 184: File Format Or File Access Errors

    Unknown Setting Window. ERR202 Setting value is not available in See the “Configuration File Format” section on configuration file. page 4-29. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 9-26 OL-3930-02...

  • Page 185: Tftp Or Network Errors

    Table 9-6 lists error codes, possible problems, and possible solutions for the TFTP or network errors when working with the Cisco 7920 Configuration Utility. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 9-27 OL-3930-02...

  • Page 186: Security Errors

    ERR900 Unknown username. Enter the correct user name in the Login window. ERR901 Password is invalid. Enter the correct password in the Login window. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 9-28 OL-3930-02...

  • Page 187: Where To Go For More Troubleshooting Information

    General Troubleshooting Information, page 9-15 • • Administration Options on the Phone Menus, page 9-20 Troubleshooting Tips for the Cisco 7920 Configuration Utility, page 9-24 • Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 9-29 OL-3930-02...
  • Page 188 Chapter 9 Troubleshooting the Cisco Wireless IP Phone 7920 Where to Go for More Troubleshooting Information Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later 9-30 OL-3930-02...

  • Page 189: Appendix

    • How Wireless IP Phones Operate Users need to know that their Cisco Wireless IP Phone 7920 operates more like a cell phone than like their desktop phone. Small wireless phones with an antenna allow users walk around a facility while connected to a call. These phones, like cell phones, can approach the edge of the RF signal range and experience static or Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later...

  • Page 190: How Users Get Copies Of Cisco Ip Phone Manuals

    • of range. The Cisco Wireless IP Phone 7920 has many of the same phone features as the IP phone desktop models, such as Mute, access to voice messaging, and directories. The phone has a limited number of buttons, because of its size. As a consequence, the following are some differences in its operation: No line buttons—You must enter the phone number from the key pad and...

  • Page 191: How Users Configure Phone Features

    End users can perform a variety of activities using the Cisco IP Phone User Options web page. Cisco Wireless IP Phone users can set up speed dial and call forwarding numbers. Keep in mind that configuring settings on a phone using a website might be new for your end users.

  • Page 192: How Users Access Voice Messages

    • An overview of tasks that users can accomplish by using the web page. You can also refer users to Customizing Your Cisco IP Phone on the Web, which is available at this URL: http://www.cisco.com/univercd/cc/td/doc/product/voice/c_ipphon/english/ipp79 60/usopt.pdf...
  • Page 193 Cisco CallManager, refer to the documentation for your system at this URL: http://www.cisco.com/univercd/cc/td/doc/product/voice/c_callmg/index.htm If you are using a Cisco Unity voice messaging system, refer to the Cisco Unity documentation for your system for configuring voice messaging and the initial passwords at this URL: http://www.cisco.com/univercd/cc/td/doc/product/voice/c_unity/index.htm...
  • Page 194 Appendix A Providing Information to Users Via a Website How Users Access Voice Messages Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 195: Appendix

    Translated and localized versions of the Cisco Wireless IP Phone 7920 are available in these languages: English • French • • German You can obtain translated documentation for the Cisco IP Phones at this URL: http://www.cisco.com/univercd/cc/td/doc/product/voice/c_ipphon/index.htm Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 196 Appendix B Supporting International Users Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 197: Appendix

    If you are using Cisco CallManager Release 3.3(2) and earlier, you must also use Note the phone load image helper file OS7920.txt. The 7920 device type is not supported in earlier releases of Cisco CallManager. Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...
  • Page 198 From the menu bar, choose System > Device Defaults. Step 4 The Device Defaults Configuration window appears. Scroll down on the page to Cisco 7920 in the Device Type column. In the Load Step 5 Information window, verify that the firmware image file name is the updated version.

  • Page 199: Upgrading Firmware For The Cisco Wireless Ip Phone 7920 With Cisco Callmanager Express

    Cisco.com at the following URL: http://www.cisco.com/cgi-bin/tablebuild.pl/ip-iostsp Note Support for the 7920 device type is available in CME 3.1 and the OS7920.txt file is not required. Support for the Cisco Wireless IP Phone 7920 with Cisco CallManager Express is limited, and specific caveats apply. Refer to the latest...
  • Page 200 Appendix C Updating Firmware for the Cisco Wireless IP Phone 7920 Upgrading Firmware for the Cisco Wireless IP Phone 7920 with Cisco CallManager Express 3.0 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 201: Appendix

    132.1 mm (5.2 in.) Phone Width 53.3 mm (2.1 in.) Phone Depth 25.4 mm (1 in.) Phone Weight (with 136.1 g (4.8 oz) standard battery) Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 202: Physical And Operating Environment Specifications

    Desktop Charger 75 mm (3.0 in.) Height Desktop Charger 93 mm (3.7 in.) Width Desktop Charger 129 mm (5.1 in.) Depth Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later OL-3930-02...

  • Page 203: I N D E X

    3-10 associated AP SSID 6-5, 6-11 installing and removing audience, for this document xiii power level indicator bar 3-12 types available Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later IN-1 OL-3930-02...
  • Page 204 Cisco Wireless IP Phone 7920 temperatures specifications for replacing battery pack Cisco Wireless IP Phone 7920, See Wireless IP for replacing power supply Phone 7920 translations conference Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later IN-2 OL-3930-02...
  • Page 205 4-18 SEPDefault.cnf 2-12 phone preferences, using 4-18 SEPxxxxxxxxxxxx.cnf.xml 2-12 phone settings 4-18 subnet mask 4-30 restore to factory defaults 4-14 TFTP primary 4-30 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later IN-3 OL-3930-02...
  • Page 206 1-14 network settings without DHCP 3-18 RF network 4-22 to 4-23 priority for TFTP server startup network settings without DHCP 3-18 scope settings Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later IN-4 OL-3930-02...
  • Page 207 4-24, 6-7 4-29 erase configuration, procedure 9-19 firmware error checksum error 9-27 file access 9-26 downgrading with 7920 Configuration Utility file format 9-26 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later IN-5 OL-3930-02...
  • Page 208 9-20 troubleshooting CDP menu 9-23 verifying 9-11 data rate 9-22 power save mode 9-21 trace route 9-22 transmit power 9-23 hostname, network setting Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later IN-6 OL-3930-02...
  • Page 209 802.11b menu 9-19 loud ring tone, downloading editing options loudxxx.raw hidden options 9-20 unlocking options 9-20 network connectivity, verifying network features, configuring overview 1-12 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later IN-7 OL-3930-02...
  • Page 210 3-17 primary DNS server standby 3-18 primary gateway phone operation for users primary TFTP server phone preferences window, using 4-18 secondary DNS server Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later IN-8 OL-3930-02...
  • Page 211 Cisco power save mode 9-21 CallManager power supply reregistering with 7920 phone type 2-15 connecting 3-12 figure 3-11 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later IN-9 OL-3930-02...
  • Page 212 6-15 resolving problems 9-10 verification steps 6-15 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later IN-10 OL-3930-02...
  • Page 213 4-19 subnet mask assigning 5-10 description network setting error with IP address 9-26 Survivable Remote Site Telephony (SRST) telephony features router barge caller ID Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later IN-11 OL-3930-02...
  • Page 214 9-12 TFTP server services on Cisco CallManager assigning to phone TFTP settings 5-13 options 5-13 VLAN configuration 9-11 Trace Wireless IP Phone 7920 9-22 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later IN-12 OL-3930-02...
  • Page 215 2-16 voice quality, resolving problems 9-10 adding using auto-registration with voice VLAN TAPS 2-18 adding using BAT 2-19 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later IN-13 OL-3930-02...
  • Page 216 See WLAN wireless network XMLDefault.cnf.xml configuration file 2-12 optimal voice environment 6-18 overview wireless network settings 802.11b configuration 6-10 accessing on phone activating Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later IN-14 OL-3930-02...

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