Re: [Sip-implementors] SIP Endpoing Disconnection

2009-06-12 Thread Paul Kyzivat
Victor Pascual Ávila wrote: > Hi Paul, > thanks for your comments. See responses inline. > > 2009/6/11 Paul Kyzivat : >> There is really no particular value in using session timers in this case. >> Session timer is for the benefit of record-routed proxies. > > Since session timer works fine eve

Re: [Sip-implementors] SIP Endpoing Disconnection

2009-06-12 Thread Dale Worley
On Fri, 2009-06-12 at 22:38 +0600, Manoj Priyankara [TG] wrote: > In this case UAC B should have a mechanism to release the call leg by > observing RTP (or some other protocol than SIP) and then of course UAS > can release the session. > > This seems to be a possible way to handle the situation if

Re: [Sip-implementors] SIP Endpoing Disconnection

2009-06-12 Thread Manoj Priyankara [TG]
-implementors] SIP Endpoing Disconnection On Thu, 2009-06-11 at 15:11 +0600, Manoj Priyankara [TG] wrote: > Let us imagine that UAC's A and B are in a call and due to a network > connectivity problem, user A disconnects without sending any message to > the UAS. > Then the UAS still thinks th

Re: [Sip-implementors] SIP Endpoing Disconnection

2009-06-12 Thread Dale Worley
On Thu, 2009-06-11 at 15:11 +0600, Manoj Priyankara [TG] wrote: > Let us imagine that UAC's A and B are in a call and due to a network > connectivity problem, user A disconnects without sending any message to > the UAS. > Then the UAS still thinks that UAC A is alive. Of course if we have SIP > OPT

Re: [Sip-implementors] SIP Endpoing Disconnection

2009-06-12 Thread Victor Pascual Ávila
Hi Paul, thanks for your comments. See responses inline. 2009/6/11 Paul Kyzivat : > There is really no particular value in using session timers in this case. > Session timer is for the benefit of record-routed proxies. Since session timer works fine even if only one of the UAs supports it (i.e wi

Re: [Sip-implementors] SIP Endpoing Disconnection

2009-06-11 Thread Paul Kyzivat
There is really no particular value in using session timers in this case. Session timer is for the benefit of record-routed proxies. If a UA suspects that there might be a problem it can test the signaling path by sending an in-dialog message. It could be reINVITE, or UPDATE, or OPTIONS. OPTION

Re: [Sip-implementors] SIP Endpoing Disconnection

2009-06-11 Thread Shanbhag, Somesh (NSN - IN/Bangalore)
...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of ext Manoj Priyankara [TG] Sent: Thursday, June 11, 2009 2:42 PM To: Manoj Priyankara [TG]; sip-implementors@lists.cs.columbia.edu Subject: [Sip-implementors] SIP Endpoing Disconnection Dear All, Could one of you please

Re: [Sip-implementors] SIP Endpoing Disconnection

2009-06-11 Thread Manoj Priyankara [TG]
Subject: Re: [Sip-implementors] SIP Endpoing Disconnection On Thu, Jun 11, 2009 at 11:11 AM, Manoj Priyankara [TG] wrote: > > Dear All, > > Could one of you please explain me how to handle following situation in > a SIP session? > > Let us imagine that UAC's A and B

Re: [Sip-implementors] SIP Endpoing Disconnection

2009-06-11 Thread Victor Pascual Ávila
On Thu, Jun 11, 2009 at 11:11 AM, Manoj Priyankara [TG] wrote: > > Dear All, > > Could one of you please explain me how to handle following situation in > a SIP session? > > Let us imagine that UAC's A and B are in a call and due to a network > connectivity problem, user A disconnects without sendi

[Sip-implementors] SIP Endpoing Disconnection

2009-06-11 Thread Manoj Priyankara [TG]
Dear All, Could one of you please explain me how to handle following situation in a SIP session? Let us imagine that UAC's A and B are in a call and due to a network connectivity problem, user A disconnects without sending any message to the UAS. Then the UAS still thinks that UAC A is alive. Of