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MGCP ISDN Backhaul problem

Hi,

I tried to use this isdn bind-l3 ccm-manager command in our voice gw (2811, IOS 12.4(15)T8 with VWIC2-2MFT-T1/E1), but under "interface Serial0/0/0:15" I could not issue it. Only "isdn bind-l3 q931" is the available option. The gateway not yet under CM conrol nor the "ccm-manager config" was issued.

I also checked IOS and feature (MGCP PRI Backhaul and PRI/Q.931 Signaling Backhaul) compatibility with Software Advisor, but it tells this IOS is fine (min support: 12.4(2)T3). Do someone have any idea why this command could not be used?

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Cisco Employee

Hi,

If you still are looking for a solution: Have you configured service mgcp option under the E1 controller?

Thanks

Ovais

New Member

Hi,

Thanks, but I already found the solution. I had to replace the "pri-group timeslots 1-31 " command with "pri-group timeslots 1-31 service mgcp", which enabled the "isdn bind-l3 ccm-manager" option.

Thanks

Krisztian

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