Cisco Systems Configuring Q.SIG PRI Signalling Support for Enhanced sigpri Management

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Configuring Support for PBX Signalling Protocols

 

 

 

 

 

Configuring Q.SIG PRI Signalling Support

 

 

 

 

 

 

Command

Purpose

Step 3

 

 

 

Router(config-if)# isdn switch-type

 

If you did not configure the global ISDN switch type

 

[primary-qsig-slave primary-qsig-master]

 

for Q.SIG support in Step 1, configures the interface

 

 

 

ISDN switch type to serve either as the primary

 

 

 

Q.SIG slave or the primary Q.SIG master.

 

 

 

The same conditions that apply to this command in

 

 

 

global configuration mode also apply to this

 

 

 

command in interface configuration mode.

 

 

 

 

 

 

 

 

 

 

Note

This interface command overrides the global

 

 

 

 

 

isdn switch-typecommand setting for this

 

 

 

 

 

interface.

Step 4

 

 

 

 

 

 

 

 

Router(config-if)#isdn overlap-receiving value

 

Activates overlap signalling to send to the destination

 

 

 

PBX.

 

 

 

Step 5

 

 

 

Router(config-if)#isdn network-failure-cause

 

Specifies the cause code to pass to the PBX when a

 

[1-127]

 

call cannot be placed or completed because of

 

 

 

internal network failures.

Step 6

 

 

 

Router(config-if)#isdn bchan-number-order

 

(Optional) Configures the ISDN PRI interface to

 

{ascending descending}

 

make the outgoing call selection in ascending or

 

 

 

descending order.

 

 

 

The default is descending order, in which the first call

 

 

 

from the Cisco MC3810 uses channel 23 (T1) or

 

 

 

channel 31 (E1). The second call then uses channel 22

 

 

 

(T1) or channel 30 (E1), and so on in descending

 

 

 

order.

 

 

 

 

 

 

If you select ascending order and the PRI group starts

 

 

 

with 1, the first call uses channel 1, the second call

 

 

 

uses channel 2, and so on in ascending order. If the

 

 

 

PRI group starts with a different time slot, the

 

 

 

ascending order starts with the lowest time slot.

Step 7

 

 

 

Router(config)# controller {T1 E1} 1

 

Enters controller configuration mode. Q.SIG is only

 

 

 

supported on controller 1.

 

 

 

 

 

 

 

 

Cisco IOS Multiservice Applications Configuration Guide

MC-423

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Contents MC-413 Benefits of Q.SIGMC-414 Cisco AS5300 Q.SIG Signalling ConfigurationSIG Prerequisite Tasks SIG Configuration Task ListConfiguring VoIP Q.SIG Isdn-switch-type command for Q.SIGMC-416 SerialMC-417 MC-418 Verifying VoIP Q.SIG Software on the Cisco AS5300MC-419 SIG for VoIP Configuration ExampleMC-420 MC-421 Configuring Q.SIG PRI Signalling Support on the Cisco MC3810MC-422 SIGMC-423 MC-424 Pri-group timeslot 1-31 commandMC-425 SIG PRI Signalling on the Cisco MC3810 Configuration ExampleNo logging event link-status MC-426MC-427 Configuring CCS Cross-ConnectMC-428 Configuring CCS Cross-Connect for T1Configuring CCS Cross-Connect for E1 MC-429 Configuring T1/E1 Trunk Bearer ChannelsMC-430 Configuring CCS Frame-ForwardingExt-sig-slave for the voice-group command CCS Frame-Forwarding MC-431MC-432 MC-433 CCS Frame-Forwarding Configuration ExampleMC-434

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