Ad-Hoc conferense is not working properly

Unanswered Question
Jul 1st, 2010
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Hello!


Conference at the CCM 4.2 starts on the phones after 3-5 minutes. RTP stream appears immediately, but voice on the phones is heard after 3-5 minutes.


Please, help!

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gogasca Wed, 07/07/2010 - 10:58
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What is the CFB SW or in 6608, ISR, CMM ?

any routing issues?

Which codecs being used?

Internal phones?

CSCO11515367 Wed, 07/07/2010 - 23:02
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CFB is SW on CCM. Codecs G.711/G.729. Internal and external phones.

Paul Reck Wed, 07/07/2010 - 23:51
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Hi there,


the software conference bridge doesn't support g.729, so that might be part of your problem, try a conference with just g.711


http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/srnd/4x/42media_ps556_TSD_Products_Implementation_Design_Guide_Chapter.html#wp1087575


also, do you have a security device, eg firewall between your phones and the CUCM server?


regards,


Paul

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