Hi Vivek, A UAC which has sent INVITE can later send CANCEL for this INVITE. So, proxy will not send CANCEL, for the INVITE, to the originating UA
So In your case, proxy will send CANCEL to the terminating UA and 480 to the originating UA. Thanks, Ashok On Fri, Jul 9, 2010 at 4:08 AM, Vivek Singla <[email protected]> wrote: > Hi, > > When the originating UAC calls terminating UAC through a stateful proxy. > > The terminating UAC keeps ringing and no one on terminating UAC picks up > the > phone, then proxy decides after 180 secs to terminate the call on both > originating and terminating side. > > Now, what message should be sent out by the proxy in this case. > > Should proxy send CANCEL to both originating and terminating? > > Should proxy send CANCEL to terminating and 408 to originating? > > Thanks, > Vivek. > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
