We have a 2821 gateway with 2 PRI ports managed by CallManager 6.1 via MGCP. We had an issue earlier in the week that all trunks were busy due to a configuration problem on the PBX side. I wanted to find out which calls (calling and called numbers) are on which channel, but I could not find the command to see that information and I could not see it via RTMT either. Any help would be greatly appreciated! Thanks,
The gateway will not have the calling/called number to channel mapping since it doesn't inspect the Q.931 with backhaul enabled. This would need to be done somewhere in RTMT, which I admittedly don't play with very often.
From a gateway perspective I normally figure this out by matching the IP address of the phone against the 'show call active voice brief' output. This is mostly for troubleshooting and isn't very scalable however.
SIP traces provide key information in troubleshooting SIP Trunks, SIP
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Please find the attached HTML document, download and open it on your PC.
This provides an easy to use form where you simply answer a few
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CUCM Database Replication is an area in which Cisco customers and
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