On 12/18/15 12:14 PM, Sourav Dhar Chaudhuri wrote:
Hi Paul,
Thanks for your response. That means both diagrams are wrong. Answer
MUST be present PRACK for the diagram mentioned in my mail as mentioned
in RFC 3262.
Yes.
Please confirm my understanding.
Thanks,
Sourav
On Friday, 18 De
Hi Paul, Thanks for your response. That means both diagrams are wrong. Answer
MUST be present PRACK for the diagram mentioned in my mail as mentioned in RFC
3262.
Please confirm my understanding.
Thanks,Sourav
On Friday, 18 December 2015 9:17 PM, Paul Kyzivat
wrote:
I agree with t
I agree with the other responses to this query.
See RFC6337 for more detail.
Thanks,
Paul
On 12/18/15 7:45 AM, Sourav Dhar Chaudhuri wrote:
Hi, Please refer the diagram below Callflow diagram
1) A -INVITE [ Support: 100 rel] without SDP
---
Hi Sourav,
Adding some more info as below,
Take practical scenario
When 180 ringing is sent means device started ringing and user can send 200
ok for invite at any time. So there might 200 ok before update is sent.
This might lead to ghost call scenario.
In case of invite without sdp, 200ok co
AFAIK, both of the flows are incorrect. In first case, if SDP offer is in
reliable provisional response, PRACK must contain SDP answer. UPDATE can be
used any time once SDP offer answer has been done in provisional response
and PRACK.
Best Regards,
Vivek Batra
On Fri, Dec 18, 2015 at 6:15 PM, So
Hi, Please refer the diagram below Callflow diagram
1) A - INVITE [ Support: 100 rel] without SDP
--> B
2) A <-- 180 Ringing [Require: 100 rel] with SDP offer
B
3) A PRACK without SDP
--