[OpenSER-Devel] SF.net SVN: openser: [2835] trunk/modules/sl

Juha Heinanen jh at tutpro.com
Thu Oct 4 14:12:44 CEST 2007


Henning Westerholt writes:

 > In a parallel forking scenario you get several 183s with SDP. You
 > don't want that your customers hear more than one ringtone or answer
 > machine in parallel on the phone. So its necessary to drop the 183
 > and send a 180 instead.

a while ago there was long discussion on ietf sip list regarding forking
and 183.  if i remember correctly, the conclusion was that 183 and
forking don't mix well together.  perhaps the best solution would be to
configure the UA not to send 183.

-- juha



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