Sameer Sawhney wrote: > Hi Paul, > > The draft document talks about procedures to check operational status of SIP > elements which support OPTIONS. > > In network, there might be some SIP elements which do not support OPTIONS > and they will respond appropriately with 405 (Method Not Allowed) to OPTIONS > ping, proving that they are operational and can process further requests.
OPTIONS is required to implement in 3261. (See section 11.) > So I think there should not be any limitation that remote end point MUST > support OPTIONS in order to check the operational status. > > In case remote end point does not support OPTIONS, this should not bar the > originating sip element to send further requests. > > Regards > Sameer Sawhney > > > Extract: > > To comply with procedures described in this > document, all SIP entities, including SIP user agents and proxy > servers, MUST support the OPTIONS message when received outside of a > dialog in accordance with this memo. > > -----Original Message----- > From: sip-implementors-boun...@lists.cs.columbia.edu > [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of Paul E. > Jones > Sent: Wednesday, August 25, 2010 9:36 PM > To: 'mustafa rifaee'; sip-implementors@lists.cs.columbia.edu > Cc: Gonzalo Salgueiro > Subject: Re: [Sip-implementors] Using SIP OPTIONS Message with IMS > > Mustafa, > > Not specific to IMS, there is a general need to query for operational > status. Unfortunately, we're finding every variant of SIP (or even products > targeted for the same environment) use OPTIONS to query for operational > status, but they all do it differently. What we're trying to do is write a > document or two that defines something everybody can live with. > > Here's the draft we currently have: > http://tools.ietf.org/html/draft-jones-sip-options-ping > > Marius is also working on text for in-dialog OPTIONS and, unfortunately, > I've not had a moment to review what was produced. > > Paul > >> -----Original Message----- >> From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip- >> implementors-boun...@lists.cs.columbia.edu] On Behalf Of mustafa rifaee >> Sent: Wednesday, August 25, 2010 11:17 AM >> To: sip-implementors@lists.cs.columbia.edu >> Subject: [Sip-implementors] Using SIP OPTIONS Message with IMS >> >> Hello all; >> i would ask you about the draft of Using OPTIONS to Query for Operational >> Status in SIP. >> Can we use OPTIONS message with IMS to Query for Operational Status in >> SIP? >> >> Please Help me; >> Thanks >> Mustafa >> _______________________________________________ >> Sip-implementors mailing list >> Sip-implementors@lists.cs.columbia.edu >> https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@lists.cs.columbia.edu > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@lists.cs.columbia.edu > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
