I have clients complaining that since the upgrade to jabber from personal communicator their CSF softphone sounds like a chipmunk talking at random times. The microphone they are using is the MIC from a Cisco VT Camera 3 on windows 7 64bit. When i got into options its pointed to the correct device in audio. I have tried calling from a Cius, 9971s, and random 7900 series sccp phones to the clinets reporting issues but cannot recreate the issue. Any ideas what other factors might cause this? Thanks.
Sporadic audio issues are tricky to track down, and there are so many factors which could be contributing to the issue.
To start, the next time you have a user report this problem, have them record the time of day (down to the second if possible), then generate a PRT (Help > Report a problem). In the PRT there will be detialed diagnostics which we can then go over to see if there's anything funny going on with the client. TAC can help go over the diagnostics if you're unfamilair with what to look for.
If there's nothing in there, then we'd need to setup packet captures (ideally at both the caller and the callee) when the audio problem happens. If they're going through a transcoder or gateway, these could also be culprits. For instance, if they're sending the audio packets at a wide/short variance this could be messing with the buffers at the client.
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