HI Sreejesh, it is a very interesting case, i think if there if no NOTIFY received with terminated state, the notifier maybe crashed, so the subscriber should resend the SUBSCRIBE , if the transaction time out, it should be treated as 408, this dialog usage should be terminated.
On 7/12/06, Sreejesh <[EMAIL PROTECTED]> wrote: > > Hi All, > > As per Rfc 3265, > ------------------------------------------------------------------------- > A subscription is destroyed when a notifier sends a NOTIFY request > with a "Subscription-State" of "terminated". > A subscriber may send a SUBSCRIBE request with an "Expires" header > of 0 in order to trigger the sending of such a NOTIFY request; > however, for the purposes of subscription and dialog lifetime, the > subscription is not considered terminated until the NOTIFY with a > "Subscription-State" of "terminated" is sent. > ------------------------------------------------------------------------- > > Case I: > After an Unsubscribe (Expires=0) Request, if the Subscriber does > not receive a NOTIFY with a "Subscription-State" of "terminated", when > will > the subscription be removed. Is there any specific Timeout period, after > which > the Subscriber himself removes the Subscription.. > > Case II: > The same holds good for Subscription Poll Requests, if the NOTIFY were > not to > be received, when will the Subscription be removed at Subscriber end. > > Additionally, if the NOTIFY was received with a "Subscription-State" of > "active" in > either of the above cases, how should the Subscriber behave?? > > Thankz in advance..... > Sreejesh > _______________________________________________ > 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
