Re: [splices] SIP INVOKE method
"Parthasarathi R (partr)" <partr@cisco.com> Wed, 18 May 2011 13:06 UTC
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Date: Wed, 18 May 2011 18:36:39 +0530
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Thread-Topic: [splices] SIP INVOKE method
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From: "Parthasarathi R (partr)" <partr@cisco.com>
To: "Shekh-Yusef, Rifaat (Rifaat)" <rifatyu@avaya.com>, splices@ietf.org
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Subject: Re: [splices] SIP INVOKE method
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Rifaat, Thanks for the clarification. Please include the text in the next revision to show how multiple simultaneous INVOKE operation happens within the dialog & abort opertion parameter in action URN. Thanks Partha -----Original Message----- From: Shekh-Yusef, Rifaat (Rifaat) [mailto:rifatyu@avaya.com] Sent: Wednesday, May 18, 2011 6:25 PM To: Parthasarathi R (partr); splices@ietf.org Subject: RE: [splices] SIP INVOKE method Inline... > -----Original Message----- > From: Parthasarathi R (partr) [mailto:partr@cisco.com] > Sent: Wednesday, May 18, 2011 8:27 AM > To: Shekh-Yusef, Rifaat (Rifaat); splices@ietf.org > Subject: RE: [splices] SIP INVOKE method > > Rifaat, > > SUBSCRIBE creates the dialog and within the created subscribe based > dialog, INVOKE method (transaction) is sent from subscriber to perform > the specific action based on the mentioned URN. Please correct me in > case I misunderstand your proposal. > Yes, that is correct. > Please read inline > > Thanks > Partha > > -----Original Message----- > From: Shekh-Yusef, Rifaat (Rifaat) [mailto:rifatyu@avaya.com] > Sent: Wednesday, May 18, 2011 5:07 PM > To: Parthasarathi R (partr); splices@ietf.org > Subject: RE: [splices] SIP INVOKE method > > Inline... > > > -----Original Message----- > > From: Parthasarathi R (partr) [mailto:partr@cisco.com] > > Sent: Tuesday, May 17, 2011 2:57 PM > > To: Shekh-Yusef, Rifaat (Rifaat); splices@ietf.org > > Subject: RE: [splices] SIP INVOKE method > > > > Rifaat, > > > > I skimmed through your draft. I like the idea of controlling remote > > UA action using new method (INVOKE). Few comments in the draft: > > > > 1) Sec 4.1: SUBSCRIBE with expire=0 is used to terminate INVOKE > > dialog by INVOKE-Issuer. Whether it is ok to "INVOKE with expire=0" > > terminate INVOKE dialog as it avoids the dependency on SUBSCRIBE message to terminate. > > > The new plan is to remove the implicit subscription. > > <Partha> How is it possible for INVOKE-Issuer to abort or stop the > action in case required? </Partha> > One possible way is to define a parameter to the URN and then resend the INVOKE request. For example, urn:invoke:whatever;abort > > > 2) I foresee the complexity in creating explicit subscription > > because two dialog creation methods (INVOKE & SUBSCRIBE) are used to > > make the single action. It will be good in case INVOKE acts similar > > to INVITE (Dialog creation & Action). INVITE has the implicit action > > like "ring the phone" or "auto- answer" whereas INVOKE has > > explicitly mention the action to be done in INVOKE- recipient. > > > I am not sure that I understand your comment, but with the new plan > the INVOKE will NOT create a dialog. > > > > 3) Do you foresee INVOKE dialog creation which change the action > > within INVOKE dialog. For example: Following three actions using > > single INVOKE dialog creation but updating the action based on the > application information.. > > > > Action 1: Create the call > > Action 2: Hold the call > > Action 3: Terminate the call > > > In this case, I expect the INVOKE-Issuer to first create a > subscription and then to send the INVOKE requests in the context of that dialog. > > <Partha> > In case INVOKE is mid-dialog transaction within SUBSCRIBE dialog, then > whether multiple simultaneous INVOKE operation is allowed or not. Example > 1) INVOKE hold action > 2) Even before INVOKE hold completion NOTIFY receives, > INVOKE terminate call action > > </Partha> > Yes, that should be possible. > > Thanks > > Partha > > > > ________________________________________ > > From: splices-bounces@ietf.org [mailto:splices-bounces@ietf.org] On > > Behalf Of Shekh-Yusef, Rifaat (Rifaat) > > Sent: Tuesday, May 17, 2011 10:57 PM > > To: Shekh-Yusef, Rifaat (Rifaat); splices@ietf.org > > Subject: Re: [splices] SIP INVOKE method Thank you all for your > > quick review and feedback so far. > > I will work on a new version of the draft that removes the implicit > > subscription. > > > > Please, let me know if you have any other comments beside the > > implicit subscription issue. > > > > Regards, > > Rifaat > > > > > > From: splices-bounces@ietf.org [mailto:splices-bounces@ietf.org] On > > Behalf Of Shekh-Yusef, Rifaat (Rifaat) > > Sent: Tuesday, May 17, 2011 9:15 AM > > To: splices@ietf.org > > Subject: [splices] SIP INVOKE method > > > > Hi, > > > > As discussed in the last SPLICES WG meeting in Prague, the REFER > > method is overloaded and has limitations that prevents it from being > > the ideal method for action invocation. > > We have worked on the following new draft that defines a new SIP > > method to be used for invoking actions: > > https://datatracker.ietf.org/doc/draft-yusef-splices-invoke/ > > > > We would appreciate it if people review the document and provide us > > with their feedback. > > > > Regards, > > Rifaat > > > > > > > > > >
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- Re: [splices] SIP INVOKE method - implicit regist… Christer Holmberg
- Re: [splices] SIP INVOKE method - implicit regist… Adam Roach
- Re: [splices] SIP INVOKE method Paul Kyzivat
- Re: [splices] SIP INVOKE method Peter Musgrave
- Re: [splices] SIP INVOKE method Peter Musgrave
- Re: [splices] SIP INVOKE method Shekh-Yusef, Rifaat (Rifaat)
- Re: [splices] SIP INVOKE method Shekh-Yusef, Rifaat (Rifaat)
- Re: [splices] SIP INVOKE method Parthasarathi R (partr)
- Re: [splices] SIP INVOKE method Paul Kyzivat
- Re: [splices] SIP INVOKE method Shekh-Yusef, Rifaat (Rifaat)
- Re: [splices] SIP INVOKE method Shekh-Yusef, Rifaat (Rifaat)
- Re: [splices] SIP INVOKE method Parthasarathi R (partr)
- Re: [splices] SIP INVOKE method Shekh-Yusef, Rifaat (Rifaat)
- Re: [splices] SIP INVOKE method Paul Kyzivat
- Re: [splices] SIP INVOKE method Parthasarathi R (partr)
- Re: [splices] SIP INVOKE method Shekh-Yusef, Rifaat (Rifaat)
- Re: [splices] SIP INVOKE method Peter Musgrave
- Re: [splices] SIP INVOKE method Shekh-Yusef, Rifaat (Rifaat)
- Re: [splices] SIP INVOKE method Peter Musgrave
- Re: [splices] SIP INVOKE method Salvatore Loreto
- Re: [splices] SIP INVOKE method Paul Kyzivat
- Re: [splices] SIP INVOKE method Peter Musgrave
- Re: [splices] SIP INVOKE method Christer Holmberg
- Re: [splices] SIP INVOKE method Shekh-Yusef, Rifaat (Rifaat)
- Re: [splices] SIP INVOKE method R.Jesske
- Re: [splices] SIP INVOKE method Shekh-Yusef, Rifaat (Rifaat)
- Re: [splices] SIP INVOKE method Hutton, Andrew