No CANCEL will be sent to Callee. Simply, Proxy clears the txn with callee. 408 will be sent to Caller.
Best Regards, Mohammed Hanifa "In theory, there is no difference between theory and practice. But, in practice, there is." ----- Original Message ----- From: $...@r\/|>r!`/@ To: Harbhanu Cc: [email protected] Sent: Friday, July 09, 2010 11:04 AM Subject: Re: [Sip-implementors] 408 or CANCEL Hi, if its ringing then 18x has already been received. Please correct me if I am wrong. On Fri, Jul 9, 2010 at 10:40 AM, Harbhanu <[email protected]> wrote: > >>CANCEL to the originator? Of course not. The proxy would send a 408 or > >>480 to the calling UA (to the UAC) and CANCEL to all the ringing > >>UAS's. > > Here, 'ringing' is a very subtle but important point in your statement. > But how should the same be terminated incase any provisional is also not > received? > > > **************************************************************************** > *********** > This e-mail and attachments contain confidential information from HUAWEI, > which is intended only for the person or entity whose address is listed > above. Any use of the information contained herein in any way (including, > but not limited to, total or partial disclosure, reproduction, or > dissemination) by persons other than the intended recipient's) is > prohibited. If you receive this e-mail in error, please notify the sender > by > phone or email immediately and delete it! > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Iñaki > Baz Castillo > Sent: Friday, July 09, 2010 5:19 AM > To: Vivek Singla > Cc: [email protected] > Subject: Re: [Sip-implementors] 408 or CANCEL > > 2010/7/9 Vivek Singla <[email protected]>: > > 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, > > Hi, you should say UA rather than UAC. A phone is a UA (user agent). > > > > 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? > > CANCEL to the originator? of course not. The proxy would send a 408 or > 480 to the calling UA (to the UAC) and CANCEL to all the ringing > UAS's. > > > > -- > Iñaki Baz Castillo > <[email protected]> > > _______________________________________________ > 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 > -- cheers!!!! sarvpriya _______________________________________________ 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
