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Chapter 5 Configuring the Voice Interfaces

MGCP Configuration

5-14

Catalyst 4224 Access Gateway Switch Software Configuration Guide

OL-2031-02

Step 2 Configure parameters for the voice interface.

a. Specify the PRI group and time slots to be mapped:

Gateway(config-controller)# pri-group timeslots 1-31 service mgcp

b. Configure each PRI group as a virtual serial interface:

Gateway(config-controller)# interface serial 1/0:15

c. Specify the E1 interface and unit number to modify:

interface Serial1/0:15

no ip address

no logging event link-status

isdn switch-type primary-net5

isdn incoming-voice voice

no cdp enable

Step 3 Configure the PRI port by entering the following command:

Gateway(controller-e1)# pri-group timeslots 1-31 service mgcp

Step 4 Bind Layer 3 to the Cisco CallManager for PRI Q.931:

Gateway(config-if)# isdn bind-l3 ccm-manager backhaul q931

This command backhauls (tunnels) ISDN Layer 3 and above to the

Cisco CallManager.

PRI/Q.931 signaling backhaul transports signals (Q.931 and higher layers) for

processing a PRI trunk that is physically connected to an MGCP call agent.

The ISDN lower layer information (Q.921 and below) is terminated and processed

on the gateway. The Layer 3 information (Q.923 and above) is transported over

TCP to the Cisco CallManager (MGCP call agent).

Step 5 Enable MGCP for the port by entering the following commands:

Gateway(config)# dial-peer voice 1 pots

Gateway(config-dial-peer)# application mgcpapp port

Replace portnumber with the port number on the voice gateway you are

configuring and ds0group with the DS0 group number.

Step 6 To view the status of the PRI line, enter the following command:

Gateway# show ccm-manager backhaul

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Cisco Catalyst 4224 Especificaciones Pagina 122