Supported Codecs And Dual Tone Multifrequency; Dialing And Messaging Features; Supported Mgcp Commands - Cisco IP 7960G Product Overview

Supported Codecs and Dual Tone Multifrequency

•
•
Supported Codecs and Dual Tone Multifrequency
The Cisco MGCP IP phone supports the following codecs:
•
•
•
The phone also supports dual tone multifrequency (DTMF) out-of-band signaling for G.729a codecs
compliant to RFC 2833.

Dialing and Messaging Features

The Cisco MGCP IP phone supports the following dialing and messaging features:
•
•
•
•

Supported MGCP Commands

The Cisco MGCP IP phone supports the MGCP commands shown in
Table 1-1
Command
Notification Request
Create Connection
Modify Connection
Delete Connection
Audit Endpoint
Audit Connection
Cisco MGCP IP Phone Administrator Guide, Release 6.x and 7.x
1-8
Traceroute support—You can use "traceroute" to see the path that a phone traverses in the route to
its desired destination.
Remote reset support—You can configure a phone to enable a service provider to reset a phone from
a remote site. This feature provides a key tool for restarting the phone registration process with the
service provider call agent or proxy and for receiving a new or updated configuration or firmware
load from a designated TFTP server.
G.711 mu-law codec
G.711 a-law codec
G.729a codec
Message-waiting indication—Lights to indicate that a new voice message is in a subscriber mailbox.
If the user listens to the message but does not save or delete it, the light remains on. If a user listens
to the message and saves or deletes it, the light goes off. The message-waiting indicator (MWI) is
controlled by the voice-mail server. The indication is saved over a phone upgrade or reboot.
Notified entity—A CA can direct an endpoint to send notify messages to an alternate destination.
Call waiting, call transfer, call forward (unconditional, busy, no answer), announcement, music on
hold, and volume control. These features must be supported by the CA.
Three-way calling using an external multipoint control unit (MCU). This feature must be supported
by the CA.
MGCP Commands
Description
Specifies events that generate notifications to the CA. CA to phone
Creates an RTP connection.
Modifies an existing RTP connection.
Deletes an endpoint RTP connection.
Queries endpoint status.
Queries connection status.
Chapter 1 Product Overview
Table 1-1.
Direction
CA to phone
CA to phone
CA to phone
CA to phone
CA to phone