Cisco IP Phone 8861 and 8865 Overview ................................................................................................................................................ 6

Phone Models ......................................................................................................................................................................................... 6

Requirements .......................................................................................................................................................................................... 7

Site Survey .......................................................................................................................................................................................... 7

Call Control ........................................................................................................................................................................................ 8

Wireless LAN ..................................................................................................................................................................................... 8

Protocols ............................................................................................................................................................................................... 12

Wi-Fi ..................................................................................................................................................................................................... 12

Regulatory ........................................................................................................................................................................................ 15

Bluetooth ............................................................................................................................................................................................... 16

Languages ............................................................................................................................................................................................. 17

Cisco 8865 Video Calls ........................................................................................................................................................................ 18

Accessories ........................................................................................................................................................................................... 18

Wireless LAN Design .............................................................................................................................................................................. 19

802.11 Network ..................................................................................................................................................................................... 19

5 GHz (802.11a/n/ac) ....................................................................................................................................................................... 19

2.4 GHz (802.11b/g/n) ...................................................................................................................................................................... 20

Signal Strength and Coverage .......................................................................................................................................................... 21

Data Rates ......................................................................................................................................................................................... 24

Rugged Environments ...................................................................................................................................................................... 25

Security ................................................................................................................................................................................................. 27

Extensible Authentication Protocol - Flexible Authentication via Secure Tunneling (EAP-FAST) ............................................... 28

Extensible Authentication Protocol - Transport Layer Security (EAP-TLS) ................................................................................... 29

Protected Extensible Authentication Protocol (PEAP) .................................................................................................................... 30

EAP and User Database Compatibility ............................................................................................................................................ 31

Quality of Service (QoS) ....................................................................................................................................................................... 31

Call Admission Control (CAC) ........................................................................................................................................................ 32

Traffic Classification (TCLAS) ........................................................................................................................................................ 32

QoS Basic Service Set (QBSS) ........................................................................................................................................................ 33

Wired QoS ........................................................................................................................................................................................ 33

Roaming ................................................................................................................................................................................................ 34

Fast Secure Roaming (FSR) ............................................................................................................................................................. 35

Interband Roaming ........................................................................................................................................................................... 36

Power Management .............................................................................................................................................................................. 36

Call Capacity ........................................................................................................................................................................................ 37

Multicast ............................................................................................................................................................................................... 39

Configuring the Cisco Wireless LAN .................................................................................................................................................... 40

Cisco Wireless LAN Controller and Lightweight Access Points .......................................................................................................... 40

802.11 Network Settings .................................................................................................................................................................. 41

WLAN Settings ................................................................................................................................................................................ 51

Controller Settings ............................................................................................................................................................................ 57

Call Admission Control (CAC) ........................................................................................................................................................ 59

RF Profiles ........................................................................................................................................................................................ 62

FlexConnect Groups ......................................................................................................................................................................... 64

Multicast Direct ................................................................................................................................................................................ 65

QoS Profiles ...................................................................................................................................................................................... 66

Advanced Settings ............................................................................................................................................................................ 70

Cisco IP Phone 8861 and 8865 Wireless LAN Deployment Guide