Re: [Sip-implementors] rfc 3261 16.5 Determining Request Targets

2008-01-16 Thread Dale . Worley
From: Ivar Lumi <[EMAIL PROTECTED]> /* If the domain of the Request-URI indicates a domain this element is not responsible for, the Request-URI MUST be placed into the target set as the only target, and the element MUST proceed to the task of Request Forwardi

Re: [Sip-implementors] SESSION REFRESH: Can SE value be increased by UAS?

2008-01-16 Thread Paul Kyzivat
Harsha. R wrote: > Hi, > Consider the following scenario with regard to session-refresh > > INVITE[Min SE:900, (SE:900,refresher=uas),k:timer] > UAC->UAS > > 183 SP,PRACK(183),200OK PRACK,180 Ringing, PRA

[Sip-implementors] rfc 3261 16.5 Determining Request Targets

2008-01-16 Thread Ivar Lumi
Hi, /* If the domain of the Request-URI indicates a domain this element is not responsible for, the Request-URI MUST be placed into the target set as the only target, and the element MUST proceed to the task of Request Forwarding (Section 16.6). */ Whats meant under domain ? Lik

Re: [Sip-implementors] Transport=tcp interop problem

2008-01-16 Thread Stephen Paterson
Thanks Brett, that's just what I need. Shame it means we're in the wrong but I prefer to be clear and wrong rather than have no idea. Thanks for the other replies. I have what I need now. Cheers Steve -Original Message- From: Brett Tate [mailto:[EMAIL PROTECTED] Sent: 16 January 2008 16:

Re: [Sip-implementors] Transport=tcp interop problem

2008-01-16 Thread Sanjay Sinha (sanjsinh)
There is no real meaning to transport parameter in From or To header. So UAS should just ignore it. Rejecting request based on it, does not seem correct. >-Original Message- >From: [EMAIL PROTECTED] >[mailto:[EMAIL PROTECTED] On >Behalf Of Stephen Paterson >Sent: Wednesday, January 16,

Re: [Sip-implementors] Transport=tcp interop problem

2008-01-16 Thread Scott Lawrence
On Wed, 2008-01-16 at 16:11 +, Stephen Paterson wrote: > Hi Srini, > > It is also present in the Contact, Via and Request-Line and as I > understand it, these are necessary requirements (well, if future > communication is to be over TCP) but that's not the question. > > The question is, is i

Re: [Sip-implementors] Transport=tcp interop problem

2008-01-16 Thread Harsha. R
Stephen, RFC 3263 Section 4.1 may answer your question. I quote " If the URI specifies a transport protocol in the transport parameter, that transport protocol SHOULD be used." Regards Harsha On 16/01/2008, Stephen Paterson <[EMAIL PROTECTED]> wrote: > Hi Srini, > > It is also present in

Re: [Sip-implementors] Transport=tcp interop problem

2008-01-16 Thread Brett Tate
The table within rfc3261 section 19.1.2 reflects the sip-uri parameters allowed when used within To and From. Note that transport has explicitly been made not optional. If I recall correctly, transport and other routing related parameters were excluded because the working group did not want them

Re: [Sip-implementors] Transport=tcp interop problem

2008-01-16 Thread Stephen Paterson
Hi Srini, It is also present in the Contact, Via and Request-Line and as I understand it, these are necessary requirements (well, if future communication is to be over TCP) but that's not the question. The question is, is it valid to have transport=tcp as a URI parameter in the To and From header

Re: [Sip-implementors] Transport=tcp interop problem

2008-01-16 Thread Krishnamoorthy Srini-A19809
Isn't the "Contact" header more appropriate for Uas to indicate the transport preference? Contact headers turn into request-URIs on the way back and the proxies and UAs route on request-URIs/Route headers, right?. We would obviously use the Via headers to indicate TCP properly (SIP/2.0/TC

[Sip-implementors] Transport=tcp interop problem

2008-01-16 Thread Stephen Paterson
Hi all, When using TCP, we place 'transport=tcp' in both the To and From headers and it is claimed that the presence of this in the From header is invalid (interestingly the To header is not causing any grief). It seems to me that the From and To headers contain URIs and transport=tcp is a valid U

[Sip-implementors] regarding session modification

2008-01-16 Thread Srinivas
Hi all, Consider the following scenarios. 1. C->S: INVITE (for speechrecog) S->C: 200 OK C->S: ACK Now the SIP session is established b/w UAC and UAS. speechrecog resource is active on the established sip session C->S: INVITE (re-INVITE for adding speechsynth resource) S->C: 200

Re: [Sip-implementors] SESSION REFRESH: Can SE value be increased byUAS?

2008-01-16 Thread Attila Sipos
I think you have answered your own question very well with excellent references (it nicely saves everyone else's time!). :-) (UAS is not allowed to increase the SE) Regards, Attila -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Harsha. R Sent: 16 J

Re: [Sip-implementors] SESSION REFRESH: Can SE value be increased byUAS?

2008-01-16 Thread Brett Tate
> Now my question is, since UAC has clearly set the > MinSE(900) andSE(900) values in the Session-Refresh > request and chosen UAS as the refresher in the process, > is UAS allowed the latitude to INCREASE the value of > Session Expires header to 1800 in the response > to Session-Refresh reque

[Sip-implementors] SESSION REFRESH: Can SE value be increased by UAS?

2008-01-16 Thread Harsha. R
Hi, Consider the following scenario with regard to session-refresh INVITE[Min SE:900, (SE:900,refresher=uas),k:timer] UAC->UAS 183 SP,PRACK(183),200OK PRACK,180 Ringing, PRACK(180),200 OK PRACK follow

Re: [Sip-implementors] regarding session modification

2008-01-16 Thread Paul Kyzivat
Your scenarios below are confusing and incomplete. Its hard to understand the point you are trying to make. More inline... Srinivas wrote: > Hi all, > Consider the following scenarios. > > 1. > C->S: INVITE (for speechrecog) > S->C: 200 OK > C->S: ACK > >

Re: [Sip-implementors] Is valid a "183 Session Progress" with early-media after "180 Ringing"?

2008-01-16 Thread Scott Lawrence
On Wed, 2008-01-16 at 09:45 +0100, Iñaki Baz Castillo wrote: > On Tuesday 15 January 2008 19:11:21 Scott Lawrence wrote: > > Why both instead of just using one or the other? > > > > While it's possible that this is technically legal, it certainly is not > > the way most implementations do it (the

[Sip-implementors] regarding session modification

2008-01-16 Thread Srinivas
Hi all, Consider the following scenarios. 1. C->S: INVITE (for speechrecog) S->C: 200 OK C->S: ACK Now the SIP session is established b/w UAC and UAS. speechrecog resource is active on the established sip session C->S: INVITE (re

[Sip-implementors] Exact Meaning and Usage of maddr parameter

2008-01-16 Thread Mahesh Pidshetti
Thanks a lot Castillo - Mahesh ___ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors

Re: [Sip-implementors] Exact Meaning and Usage of maddr parameter

2008-01-16 Thread Iñaki Baz Castillo
On Monday 14 January 2008 10:16:00 Mahesh_Pidshetty wrote: > Hi all, > > I am bit bemused with the parameter maddr. > > I would be glad if someone delineate the exact meaning and usage of maddr > parameter. > > The remaining test cases are pending for our company product because of > not getting c

Re: [Sip-implementors] Any RFC o Draft about UAC's retrieving missedcalls from server?

2008-01-16 Thread Iñaki Baz Castillo
On Tuesday 15 January 2008 20:58:14 Christian Stredicke wrote: > 1. Take a look at the Reason header. This way, the phone can determine why > the CANCEL request was sent and make a decision if that was a missed call > or not. Depending on the context this Reason header could not be enough. Imagine

Re: [Sip-implementors] Is valid a "183 Session Progress" with early-media after "180 Ringing"?

2008-01-16 Thread Iñaki Baz Castillo
On Tuesday 15 January 2008 19:11:21 Scott Lawrence wrote: > Why both instead of just using one or the other? > > While it's possible that this is technically legal, it certainly is not > the way most implementations do it (the first I've heard of it, > actually) and it may confuse some UAs. I use