Cisco 7821 Administration Manual page 113

Feature
Conference
Confidential Access Level (CAL)
Configurable RTP/sRTP Port Range
CTI Applications
Device Invoked Recording
Direct Transfer
Description and more information
Allows a user to talk simultaneously with multiple parties by calling each participant
individually. Conference features include Conference and Meet Me.
Allows a noninitiator in a standard (ad hoc) conference to add or remove participants; also
allows any conference participant to join together two standard conferences on the same line.
The Advance Adhoc Conference service parameter, disabled by default in Cisco Unified
Communications Manager Administration, allows you to enable these features.
See the Cisco Unified Communications Manager System Guide,"Conference Bridges" and
"Cisco Unified IP Phone" chapters.
Be sure to inform your users whether these features are
Note
activated.
Controls whether a call can be completed based on the CAL configuration in the Cisco Unified
Communications Manager.
When CAL is enabled, the user sees information about the call in a CAL message. The phone
displays the CAL message for the duration of the call. If a call fails due to an incompatible
CAL, the phone displays a failure message. You set up the failure message that the user sees.
See Cisco Unified Communications Manager Administration Guide.
Provides a configurable port range (2048 to 65535) for Real-Time Transport Protocol (RTP)
and secure Real-Time Transport Protocol (sRTP).
The default RTP and sRTP port range is 16384 to 32764.
You configure the RTP and sRTP port range in the SIP Profile.
See Set Up RTP/sRTP Port Range, on page
A computer telephony integration (CTI) route point can designate a virtual device to receive
multiple, simultaneous calls for application-controlled redirection.
See the Cisco Unified Communications Manager Administration Guide, "CTI Route Point
Configuration" chapter.
Provides end users with the ability to record their telephone calls via a softkey.
In addition administrators may continue to record telephone calls via the CTI User Interface.
See Enable Device Invoked
Allows users to connect two calls to each other without remaining on the line.
See the Cisco Unified Communications Manager System Guide, "Cisco Unified IP Phone"
chapter.
Cisco IP Phone 7821, 7841, and 7861 Administration Guide for Cisco Unified Communications Manager 10.0 (SIP)
Telephony Features for Cisco IP Phone
138.
Recording.
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