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Configuring Support for PBX Signalling Protocols
Configuring Transparent CCS on the Cisco MC3810
MC-429
Cisco IOS Multiservice Applications Configuration Guide
Configuring T1/E1 Trunk Bearer Channels
If you will use CCS cross-connect for bearer channels of the T1/E1 trunk, you will need to perform some
additional configuration. To configure the T1/E1 trunk to support CCS cross-connect for bearer
channels, use the following commands beginning in global configuration mode:
Step 6
Router(config-controller-cas)# voice-group
channel-no timeslots timeslot-list type
[ext-sig-master | ext-sig-slave]
Configures the specified channel to support CCS
mode, and specifies whether the T1/E1 trunk will be
the external signalling master or slave.
A channel configured as ext-sig-master
automatically generates the off-hook signal and stays
in the off-hook state. A channel configured as
ext-sig-slave automatically generates the answer
signal when a call is terminated to that channel. These
type options are available only when the mode ccs
command is enabled.
Step 7
Router(config-controller)# exit
Exits controller configuration mode.
Step 8
Router(config)# cross-connect id controller-1
tdm-group-no-1 controller-2 tdm-group-no-2
Configures cross-connect pass-through between the
two controllers.
Command Purpose
Command Purpose
Step 1
Router(config)# controller {T1 | E1} number
Enters controller configuration mode for the
controller.
Step 2
Router(config-controller)# mode ccs cross-connect
Specifies the controller to support CCS
cross-connect.
Step 3
Router(config-controller-cas)# voice-group
channel-no timeslots timeslot-list type
[ext-sig-master | ext-sig-slave]
Configures the specified channel to support CCS
mode, and specifies whether the T1/E1 trunk will be
the external signalling master or slave.
A channel configured as ext-sig-master
automatically generates the off-hook signal and stays
in the off-hook state. A channel configured as
ext-sig-slave automatically generates the answer
signal when a call is terminated to that channel. These
type options are available only when the mode ccs
command is enabled.
Step 4
Router(config-controller)# exit
Exits controller configuration mode.