Cisco Systems MC-413 manual MC-431, CCS Frame-Forwarding

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Configuring Support for PBX Signalling Protocols

Configuring Transparent CCS on the Cisco MC3810

Note When CCS frame-forwarding is configured, the speed (clock rate) of serial interface 1 on the Cisco MC3810 is limited to a maximum of 192 kbps. This restriction assumes that the MFT is installed in slot 3 on the Cisco MC3810. If the MFT is not installed, then serial interface 1 will not operate at all, but CCS frame-forwarding will be supported on other interfaces.

Figure 100 shows an example of CCS frame-forwarding. In the example, the Cisco MC3810 captures the signalling frame from the PBX. The Cisco MC3810 then transports the signalling frame as a data frame through the Frame Relay or ATM network to the second Cisco MC3810. The second Cisco MC3810 then forwards the signalling frame to the PBX signalling channel.

Figure 100 CCS Frame-Forwarding

Cisco

DVM MC3810

HDLC signal frame

PBX

CCS

channel

T1/E1T1/E1

Frame Relay

or ATM

Cisco

MC3810 DVM

HDLC signal frame

PBX

CCS

channel

14755

Note Although it is not explicitly stated in the procedures, this feature also requires that voice ports and dial peers must also be configured.

To configure CCS frame-forwarding on the Cisco MC3810, use the following commands beginning in global configuration mode:

:

 

Command

Purpose

Step 1

 

 

Router(config)# controller {T1 E1} 1

Enters controller configuration mode. CCS

 

 

frame-forwarding is only available on controller

 

 

T1/E1 1.

Step 2

 

 

Router(config-controller)# mode ccs frame-forwarding

Specifies the controller to support CCS transparent

 

 

signalling.

Step 3

 

 

Router(config-controller-cas)# voice-group

Configures the specified channel to support CCS

 

channel-no timeslots timeslot-list type

mode, and specifies whether the T1/E1 trunk will be

 

[ext-sig-master ext-sig-slave]

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-slaveautomatically 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.

 

 

 

Cisco IOS Multiservice Applications Configuration Guide

MC-431

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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-ConnectConfiguring CCS Cross-Connect for E1 Configuring CCS Cross-Connect for T1MC-428 MC-429 Configuring T1/E1 Trunk Bearer ChannelsExt-sig-slave for the voice-group command Configuring CCS Frame-ForwardingMC-430 CCS Frame-Forwarding MC-431MC-432 MC-433 CCS Frame-Forwarding Configuration ExampleMC-434

MC-413 specifications

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In summary, Cisco Systems MC-413 stands out as a robust solution designed to meet the demands of modern enterprises. With its scalability, advanced security features, high performance, and integrated management tools, it equips organizations with the necessary resources to thrive in a competitive digital landscape. As businesses continue to evolve, the MC-413 remains a versatile and dependable choice for network infrastructure enhancement.