
8-5
Cisco Catalyst 4000 Access Gateway Module Installation and Configuration Note
OL-3008-01
Chapter 8 Configuring the DSP Farm
Configuring IP Telephony Gateway Mode
Configuring IP Telephony Gateway Mode
The VoIP gateway is the default mode for the AGM. Before you can use the conferencing and
transcoding services, you must perform the tasks provided in the following sections:
• Enabling IP Telephony Gateway Mode, page 8-5
• Enabling IP Telephony Conferencing Service, page 8-5
• Enabling IP Telephony Transcoding Service, page 8-5
• Verifying the DSP Farm Resources, page 8-6
• Verifying the Conferencing Configuration, page 8-7
• Verifying the Transcoding Configuration, page 8-8
• Returning to the VoIP Gateway Mode, page 8-9
Enabling IP Telephony Gateway Mode
After you enable the IP telephony gateway mode, the 24 DSPs (four DSP SIMMs with six DSPs each)
are automatically partitioned to support the PSTN interfaces, up to 24 conferencing channels, and up to
16 transcoding channels.
To enable the IP telephony gateway mode, follow this procedure:
Enabling IP Telephony Conferencing Service
To enable the IP telephony gateway conferencing services, use this command:
After registering the conferencing services with the Cisco CallManager at the IOS CLI, you need to
configure conferencing in Cisco CallManager.
Enabling IP Telephony Transcoding Service
To enable the IP telephony gateway transcoding service in the AGM, use this command:
Command Purpose
Step 1
Gateway# configure terminal
Enter configuration commands, one
per line. End with CNTL/Z.
Gateway(config)#
Enters global configuration mode. You have entered
global configuration mode when the prompt changes to
Gateway (config)#.
Step 2
Gateway(config)# voicecard sccp
manager 192.168.1.168 port 2000
Selects the Cisco CallManager address to register. More
than one can be selected.
Step 3
Gateway(config)# voicecard sccp
local interface IP address (G0/0)
Selects the IP address and port (optional) for the AGM.
Gateway(config)# voicecard
conference
Enables the IP telephony gateway conferencing service.
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