Cisco WS-X4604-GWY - VoIP Gateway Especificaciones Pagina 90

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Cisco Catalyst 4000 Access Gateway Module Installation and Configuration Note
OL-3008-01
Chapter 5 Configuring the Voice Interfaces
Configuring T1-CAS Analog Emulation (H.323)
FXS Emulation Example
By connecting the T1-CAS port on a AGM to a T1 channel bank using FXS emulation, you can achieve
high port density when interconnecting POTS and VoIP endpoints. You can configure the dial plan for
this configuration by treating Cisco CallManager as the only H.323 endpoint, or by configuring H.323
endpoints on a AGM. If you configure Cisco CallManager as an H.323 endpoint, you must use
Cisco CallManager Administration to define the route patterns required to route calls to the AGM.
The following example illustrates how to configure a single DS-0 group. Repeat the relevant commands
to configure additional groups. This example is for a scenario in which all of the POTS devices
connected to a T1 channel bank are configured with a destination number beginning with 526. In this
example, Cisco CallManager has the host name CCM30 and is configured as an H.323 endpoint that
manages all the telephones and other devices on the IP network, which have numbers beginning with
525.
gateway(config)# interface FastEthernet5/0
gateway(config)# ipaddress 172.20.71.48 255.255.255.0
gateway(config)# no ip directed-broadcast
gateway(config)# no keepalive
gateway(config)# duplex auto
gateway(config)# speed 10
gateway(config)# controller T1 1/0
gateway(config-controller)# framing esf
gateway(config-controller)# clock source internal
gateway(config-controller)# linecode b8zs
gateway(config-controller)# dso-group 0 timeslots 1 type fxo-loop-start
gateway(config)# dial-peer voice 1 pots
gateway(config-dial-peer)# destination-pattern 526....
gateway(config-dial-peer)# port 1/0:0
gateway(config-dial-peer)# destination-pattern 525....
gateway(config-dial-peer)# session target dns:CCM30
gateway(config-dial-peer)# codec g711u1aw
gateway# line con 0
gateway# transport input none
gateway# line aux 0
gateway# line vty 0 4
gateway# login
gateway# no scheduler allocate
gateway# end
gateway# copy running-config startup-config
Building configuration. . .
[OK]
gateway#
FXO Emulation Example
To use FXO emulation to connect the T1-CAS port to the PSTN, you must have Direct Inward Dialing
(DID) enabled on incoming DS-0 groups. DID allows the gateway or Cisco CallManager to identify the
extension to which each call on an incoming DS-0 group is directed. Because DID only works on
incoming connections, you must have separate DS-0 groups allocated for incoming and outgoing calls.
To configure the gateway to accept DID information, enter the following command:
gateway(config-dial-peer)# direct-inward-dial
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