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UC540-Multisite - 8.6.1 No Voice

Robert Vielock
Beginner
Beginner

I recently upgraded to 8.6.1 and started experiencing no voice on call blast group that forward to the remote site.

Site A:

Ring Call Blast at Site A, NACF to Site B (82+ext)

Site B answers call and no voice.

However, dialing from Site B to Site A (IP Phone 7985) voice works no problem.  And a IP Phone 7985 dialing from Site A to a 7985 Phone in site B, no problem.

Any ideas on what is going on?

1 Accepted Solution

Accepted Solutions

  Check this post I wrote, seems to be the same problem I had...

https://supportforums.cisco.com/message/3876546#3876546

View solution in original post

5 Replies 5

Alexander Maroukian
Rising star
Rising star

Hello Robert,

Is this happening if you dial the blast group from internal phone or only from external?

Best regards,

Alex

Hi Alex,

It is only on external SIP trunks.  Intenal phones work fine.  Also, I notice when I transfer an external call to an extension on remote site you do getting ringing but once it NACF to voicemail, the call disconnects.  If the transfered call is picked up by the extension, the get no voice as well.

Thanks for your help.

  Check this post I wrote, seems to be the same problem I had...

https://supportforums.cisco.com/message/3876546#3876546

Hello Robert,

This could be caused because the connection between sites is using g729 and the transcoding is not working.

You may try to add codec g711ulaw under dial peers for intersite calls e.g.:

dial-peer voice 2100 voip

codec g711ulaw

HTH,

Alex

*Please rate helpful posts

Robert Vielock
Beginner
Beginner

I fixed the issues by typing the following on both sites:

no voice-class h323 1

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