Yes, I have read RFC 3261 and section 17.1.1.3 and followed the rules stated there.
Yup, the 408 response has no To-tag, that is why my ACK has no tag in the "To" field as well. ----- Original Message ----- From: "Dale Worley" <dwor...@nortel.com> To: "Teodor Georgiev" <teo...@visp.net.lb> Cc: <sip-implementors@lists.cs.columbia.edu> Sent: Monday, September 28, 2009 10:44 PM Subject: Re: [Sip-implementors] Constructing an ACK request (non 2XX based)in a stateless case >I see in RFC 3261 saction 17.1.1.3, titled "Construction of the ACK > Request". Have you carefully checked your ACK against its > specifications? > > In regard to the example you provide, the 408 response has no to-tag, > which is quite strange for any modern SIP device. > > Dale > > _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors