[VoiceOps] Broadworks media server not playing well with early media

John Myhre jmyhre at trumobility.com
Mon Apr 23 16:18:45 EDT 2012

I seem to be having a problem with Broadworks thinking an early media stream
has ended.


I'm sending a call out to the PSTN and receiving back a 183 with SDP
(presumably early media).  Broadworks is dutifully passing everything down
to the device.


I'm then receiving a second 183, this time with no SDP (presumably because
someone's gateway received a CPG).  In this case, Broadworks appears to
interpret the lack of SDP as meaning the early media has ended (not the
case) and plumbs the media server into the bearer path to play ringing.  


Anyone run into this problem?  Any ideas for a way around it?  


I've found a reference for dealing with this problem from the access side,
but not when the 183s are coming from the network side.


I'm running Broadworks Rel14sp4.


Many thanks for any ideas!



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