Hi Ranganathan, Just think of some good value you can put in this header when the other side is an IVR, would that value work for normal calls also. The sip stack I worked on are using some kind of timer C for UACs also.
Regards, Sumit Jindal On Sun, Jul 11, 2010 at 1:57 AM, M. Ranganathan <[email protected]> wrote: > Hello, > > I am wondering why it is not mandatory for the UAC to attach an > Expires to a dialog forming INVITE. It would seem useful for at least > a couple of things: > > 1. Stack can know when to tear down a "dead" transaction which is > stuck in Proceeding state. > > 2. Downstream proxy can know what the max fork expiration time can be. > > It would seem useful to make this a mandatory header for a dialog > forming INVITE and yet it is not. Just wondering why. > > Ranga > > -- > M. Ranganathan > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > -- Regards, Sumit Jindal _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
