[asterisk-dev] why 4 UDP ports per SIP call?
klaus.mailinglists at pernau.at
Thu Nov 22 03:29:59 CST 2007
Olle E Johansson wrote:
> 19 nov 2007 kl. 20.53 skrev Klaus Darilion:
>> Analyzing Asterisk I see 4 new UPD sockets opened by Asterisk per
>> incoming SIP call. I would assume RTP+RTCP=2, but why are there 4
> Have you enabled video at all?
I have video enabled in Asterisk, but the INVITE sent to Asterisk had no
video description in the SDP. Will Asterisk open the video RTP ports
also if the incoming INVITE does not offer video?
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