Re: [Sip-implementors] REGISTER re-transmission

2014-09-04 Thread Banda, Srinivas (Srinivas)
-implementors@lists.cs.columbia.edu Subject: [Sip-implementors] REGISTER re-transmission Greetings, Consider a case where the response to a REGISTER gets lost, UA resends the identical request. This means the callid and cseq remain the same. RFC 3261 10.3 (step 7) states that if callid is

Re: [Sip-implementors] REGISTER re-transmission

2014-09-04 Thread Vivek Talwar
Hi Chaim, In this case, Server should handle same REGISTER as this REGISTER will be received on same transaction and Server will easily know that its a retransmission rather then fresh REGISTER. Thanks and Regards, Vivek Takwar On Thu, Sep 4, 2014 at 7:55 PM, Chaim Geretz wrote: > G

[Sip-implementors] REGISTER re-transmission

2014-09-04 Thread Chaim Geretz
Greetings, Consider a case where the response to a REGISTER gets lost, UA resends the identical request. This means the callid and cseq remain the same. RFC 3261 10.3 (step 7) states that if callid is identical: ... the registrar compares the CSeq value. If the value is higher