Re: [Sip-implementors] Call failure after ReInvite

How media will be established without sdp in ack? Offer answer is not complete. I think session cannot be established here. Is it possible to attach working tcpdump for understanding. Regards, Venkat Ramana On Thu 24 May, 2018, 1:55 AM Abhishek, wrote: > Hello

Re: [Sip-implementors] Call failure after ReInvite

On 5/23/18 1:34 PM, Abhishek wrote: Hello Paul, Thank you very much for response. We could see with some of the peer nodes that Call is continuing even if ACK message does not carry SDP. Behavior after a protocol violation is undefined, so if they want to try to go forward in that case they

Re: [Sip-implementors] Call failure after ReInvite

Hello Paul, Thank you very much for response. We could see with some of the peer nodes that Call is continuing even if ACK message does not carry SDP. Best Regards, Abhishek Phadke > On 23-May-2018, at 22:38, Paul Kyzivat wrote: > > Abhishek, > >> On 5/23/18 7:15 AM,

Re: [Sip-implementors] Call failure after ReInvite

Abhishek, On 5/23/18 7:15 AM, Abhishek wrote: Hello, SS7 Switch —> Gateway Switch —> SIP SBC Call flow is as mentioned. SIP call gets established between Gateway Switch node and SIP SBC node. Gateway Switch node initiates Re Invite without SDP. SIP SBC node responds with 200 OK along

Re: [Sip-implementors] Call failure after ReInvite

Hi Abhishek, Can you check whether it resolves if you send the full SDP (same as initial offer but retain the last negotiated media direction) in the 200 OK response to the INVITE without. SDP request? Thanks and Regards Arun A. Tagare On Wed 23 May, 2018, 8:35 PM Abhishek,

[Sip-implementors] Call failure after ReInvite

Hello, > SS7 Switch —> Gateway Switch —> SIP SBC > > Call flow is as mentioned. > > SIP call gets established between Gateway Switch node and SIP SBC node. > > > > Gateway Switch node initiates Re Invite without SDP. > > SIP SBC node responds with 200 OK along with SDP keeping all fields