02-21-2011 09:10 PM - edited 03-16-2019 03:35 AM
Hi all,
We have a CUCM 7.0 running with MGCP gateways. we are experiencing issues when VOIP users dials an external extensions and if external extensions are busy , then Calls being dropped instead of Getting busy tone. Can someone point out where to make changes and what changes needs to implement? . It seems QSIG cause code might be causing the issue. Any one out there has experienced the issue ?
Thanks,
02-25-2011 07:46 AM
Are you using MGCP PRI ? If so, can you get the 'debug isdn q931' output for a failure call ? Detailed CallManager traces (sdi and sdl) from all servers would help too. Let me know
- Calling party
- Called party
- Time stamp of call
- Exact user experience
- Sriram
Please rate helpful posts !
02-28-2011 03:11 PM
Hi ,
the Call scenerio is VOIP phone --------> MGCP PRI -------> PSTN --------> External FAX ( only Accepts single call At a time )
Now IF the receiving Fax is busy then VOIP phone should get Busy tone not dropped call tone.
I will collect Traces and send you ASAP . Thanks,
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