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Tools to troubleshoot inbound calls(CM 6.1(3))

Communications Manager 6.1(3)

I'm trying to troubleshoot some call quality issues that we are receiving on inbound calls to 7961s. I know about QRT on the devices? Are there any other tools that comes with CM 6 x that I can use?

Thanks very much!

2 REPLIES
Cisco Employee

Re: Tools to troubleshoot inbound calls(CM 6.1(3))

CUCM really has nothing to do with call quality issues, the RTP is between endpoints so the 1st step would be gathering sniffer traces to look at how the packets are being received. Pressing ? twice in the phone brings up statistics you can see in real time.

I'd check routing or QoS issues.

There are a few bugs that could cause choppy voice on phones so you can also look in the bug toolkit

HTH

java

if this helps, please rate

HTH

java

if this helps, please rate

www.cisco.com/go/pdi

Re: Tools to troubleshoot inbound calls(CM 6.1(3))

Enable CDRs.

In the CDRs (CMRs) you may find some info about call quality. You can access them easily by the CAR tool.

There are different things that can happen in your scenario:

- PSTN

- DSPs

- QoS

- Configuration

- all calls/only some calls

- what's different (location, codec, MTP, ...)

Be sure to keep your mind open and don't lock in too early on one area.

Good luck,

Martin

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