Cisco WS-X4604-GWY - VoIP Gateway Especificaciones Pagina 88

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5-14
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)
The number of digits that you substitute for pattern plus the number of periods in the wildcard (...) must
match the total number of digits configured for use by the AGM in Cisco CallManager Administration.
Also, keep in mind that the numbers that you substitute for pattern are removed by the AGM. When the
call is forwarded to the destination number, only the digits in the position of the wildcard pattern (...)
will be received by the destination endpoint. If you want to replace the digits that are stripped off (or
add a different set of digits), use the prefix command.
Step 6 Complete and save the configuration by entering the following commands:
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#
Configuring T1-CAS Analog Emulation (H.323)
You can connect the T1-CAS (channel associated signalling) port on a AGM to one of the following:
The PSTN using Foreign Exchange Office (FXO) emulation
A T1 channel bank using Foreign Exchange Station (FXS) emulation
A PBX with a trunk (tie) line using Ear and Mouth (E&M) emulation
To configure T1-CAS analog emulation with H.323 T1, perform the following steps. After completing
these steps, configure the route pattern and dial plan and save your configuration, as described in “H.323
Gateway Configuration” section on page 5-12.
Step 1 Identify the port number and then enter the configuration information provided by your telco, as in the
following example:
gateway(config)# controller T1 1/port#
gateway(config-controller)# framing esf
gateway(config-controller)# clock source internal
gateway(config-controller)# linecode b8zs
Step 2 Assign timeslots to the DS-0 group and identify the emulation type.
You can define each DS-0 group to use FXS, FXO, or E&M, using the following command:
gateway(config-controller)# dso-group group <groupnumber>
timeslots <timeslotnumber> type emulationtype
Replace:
<groupnumber> with the DS-0 group number
<timeslotnumber> with the number of DS-0 timeslots to allocate to the group.
<emulationtype> with one of the modes described in Table 5-2.
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