[SIPForum-discussion] SIP 180 ringing

[Hanuman Das]

Service provider can give 183 session progress and you will have RBT but if you want 180 w/SDP or without SDP, you can request to service provider to change it but as per standard nothing wrong in providing 183 or 180 or both and even multiples 18x responses also. Keep in mind that 1xx responses are informational.

 



From: hbiriq.walid at gmail.com
To: discussion at sipforum.org
Date: Tue, 8 May 2012 09:35:56 +0000
Subject: [SIPForum-discussion] SIP 180 ringing





Hello all,
 
I have the following problem :
 
-          When testing output calls ,we can’t receive SIP message 180 ringing in the trace (wireshark),we have only 183 progress ?
-          The call proceed like this operator x => SBC => operator y
Can anyone tell me what can be the reason?
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