On Fri, 2007-02-16 at 16:58 +0100, Marco Ambu wrote: > RFC 3261 - 8.1.1.6 page 39 states that Max-Forwards header must be > inserted by UACs in all generated requests. > > I suppose all requests include also CANCEL and ACK, but I've noticed > that some clients do not insert Max-Forwards haeder in ACK and CANCEL > requests. > So I would like to know if these kind of requests must have this header > or not, and if not if there is a hint in RFC 3261. > > The only practical solution I see is to disable checking the presence of > Max-Forwards header in ACK and CANCEL requests in our SIP stack.
Go ahead and check for it, but don't fail if you don't find it - just add one and keep going (I'm assuming that your goal is interoperability). -- Scott Lawrence tel:+1-781-938-5306;ext=162 or sip:[EMAIL PROTECTED] sipXpbx project coordinator - SIPfoundry http://www.sipfoundry.org/sipX Chief Technology Officer - Pingtel Corp. http://www.pingtel.com/ _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
