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Migrating PRI circuits from Nortel Option 81 to Cisco ISR 2921 MGCP Gateway

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jgbmt

jgbmt

Technical User
Mar 29, 2016
47
US
Hello,

We are migrating two ATT (Legacy Pac Bell) PRI's that are currently connected to an Option 81 PBX over to a Cisco ISR 2921 voice gateway using MGCP. The layer 2 and layer 3 come up when they connect to the Cisco gateway card, and Multiple Frames Established is shown in the CLI, but no calls can be processed. When a debug q.931 is ran, there are messages that come up stating that individual channels are trying to reset or something to that effect. I don't have the syntax since we had to reconnect to the PBX. Any ideas what may be missing?

Thanks!
 
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