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RTP PROBLEMS (SILENCES, ONE-WAY AUDIO)

Hi!

We have a really big customer who, after the migration of the gateways to SIP and the implementation of IPCC - CVP, are experiencing the following issues:

  • Sometimes, users cannot hear the first seconds of a call (they pickup the phone, silence, and then suddenly they can hear the caller);
  • Sometimes, one way audio (but not always).

Do you know the most common reasons for those problems? Codec is always G.711 and as they occur only from time to time, it is quite complex to reproduce and/or trace the issues.

Thanks a lot for your ideas in advance!

1 REPLY
Green

RTP PROBLEMS (SILENCES, ONE-WAY AUDIO)

Hi,

May be an MTP issue with early offer in SIP invites

Have alook at this link

http://www.cisco.com/en/US/tech/tk652/tk698/technologies_tech_note09186a008009484b.shtml#oneway

Regards,
Alex.
Please rate useful posts.

Regards, Alex. Please rate useful posts.
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