For the diversion header details. please read: draft-levy-sip-diversion-08.txt
It is definitely possible that the counter is greater than 1. For example if the call came in on SS7 the counter is taken from the ISUP redirecting info parameter. and indicates how many times the call has been forwarded. Cheers alejandro On Fri, Nov 14, 2008 at 2:59 PM, Rashid Shakil <[EMAIL PROTECTED]>wrote: > > Hello, > > While working with SIP carrier I came across to an issue where particular > SIP providers rejecting my calls to a cell phone number. The call happen to > be a redirected call (means inbound call redirected to an offnet TN). For > the redirected call (call to an offnet number) our AS is sending an INVITE > without SDP with diversion headers. My SIP carrier is saying that the issue > is because we are sending two identical diversion headers and we should only > send "1" and the other thing they pointed out is the "counter=3" in > diversion header. They mentioned that the "counter" should be 1 instead of > three. Can anyone please tell me if sending 2 identical diversions is a > problem also what is the significance of "counter" in diversion header. > > > INVITE sip:[EMAIL PROTECTED]:5060 SIP/2.0 > Via: SIP/2.0/UDP 78.33.28.55:5060;branch=z9hG4bKut2ins00bo7gqdkee7s0.1 > From: <sip:[EMAIL PROTECTED] <[EMAIL PROTECTED]> > >;tag=9ae82760-1dd1-11b2-a243-b03162323164+a4c9e520 > Contact: > <sip:[EMAIL PROTECTED]:5060 > ;transport=udp> > To: <sip:[EMAIL PROTECTED] <[EMAIL PROTECTED]>> > Call-ID: [EMAIL PROTECTED] > CSeq: 2 INVITE > Max-Forwards: 69 > Allow: INVITE,BYE,ACK,CANCEL,PRACK,REFER,OPTIONS,REGISTER,NOTIFY > Diversion: <sip:[EMAIL PROTECTED] <[EMAIL PROTECTED]> > >;reason=no-answer;privacy=off;counter=3 > Diversion: <sip:[EMAIL PROTECTED] <[EMAIL PROTECTED]> > >;reason=no-answer;counter=3;privacy=off > Remote-Party-ID: "7034319130" <sip:[EMAIL PROTECTED]<[EMAIL PROTECTED]> > >;party=calling;id-type=subscriber;privacy=off > P-Asserted-Identity: "7034319130" <sip:[EMAIL PROTECTED]<[EMAIL PROTECTED]> > > > Content-Length: 0 > > > RS > > > > > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@lists.cs.columbia.edu > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
