UAC can close down the call In this case as ideal case is UAS responds with 1600 in INVITE's 200 OK too.
On Wed, Oct 20, 2010 at 3:59 PM, shyam <[email protected]> wrote: > What should be the Final session refresh timer here? > > 1600 or 1800 ? > > The UE has changed the session-refresher timer to 1600 from initial 1800. > But the UA is responding with 1800 as final session-expires. > The RFC states that the final session-expires time interval can not be > greater than the initial time interval. > > Thanks, > Shyam > > > **************************************************************************** > *********** > 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 SIP > Satan > Sent: Wednesday, October 20, 2010 3:44 PM > To: Ravi Kumar > Cc: [email protected] > Subject: Re: [Sip-implementors] Regarding Rfc 4028 > > Ideal situation is UPDATE can carry same value for SE as INVITE's, Other > option is UAS can overwrite session timer values with the latest received > one (of UPDATE's) and both 200 OK of UPDATE and INVITE can carry the > updated one. > > > On Wed, Oct 20, 2010 at 12:21 PM, Ravi Kumar <[email protected]> wrote: > > > > > > > > > > > _____ > > > > From: Ravi Kumar [mailto:[email protected]] > > Sent: Friday, October 15, 2010 7:27 PM > > To: ''[email protected]' > > Subject: Regarding Rfc 4028 > > > > > > > > Hi All, > > > > I have call flow Like below. > > > > > > > > UE UE > > > > > > > > | | > > > > --------Inv----------> (Session Expire: 1800) > > > > | | > > > > <----------183----- > > > > | | > > > > ------update------->(Session Expire: 1600) > > > > | | > > > > <-------200-update (Session Expire: 1600;refresher=uas) > > > > | | > > > > <-------200-Inv--- (Session Expire: 1800;refresher=uas) > > > > | | > > > > > > > > Doubt: > > > > 1. When UAC is negotiating session timer value with INVITE > > request, and session timer negotiation is not completed then UAC should > not > > start negotiation with UPDATE request. Because this behavior not defined > by > > RFC-4028. How does other implementation handles this at UAS side. > > > > And UAC should send UPDATE request with Session Expire header > > when INVITE negotiation is not completed. > > > > 2. Can UPDATE request start Session timer negotiation, because > > it is used for session timer refresher? > > > > 3. What does RFC-4028 last response mean? > > > > > > > > > > > > **************************************************************************** > > **************************** > > 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 > > > > > > > > _______________________________________________ > > Sip-implementors mailing list > > [email protected] > > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > > > > > > -- > Regards > -Satan > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > > -- Regards -Satan _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
