Sdp should not be present in the 200(INVITE),
RFC3261 sec 13.2.1 Creating the Initial INVITE
o Once the UAS has sent or received an answer to the initial
offer, it MUST NOT generate subsequent offers in any responses
to the initial INVITE. This means that a UAS based on
Hi All,
Following is example call flow from RFC 3311 (SIP UPDATE Method). Is SDP a
must in the 200 OK for INVITE in this case? If it is required, then 200 OK
should contain 'answer 3'. Is this a legal behavior as answer in 200 OK for
INVITE ('answer 3') is not based on the offer in the INVITE ('off
Hi Ranjit,
In this scenario Alice, Bob and Charlie are registered to a B2BUA proxy
(I accidentally omitted the fact that I will be developing the B2BUA
proxy is from my original description) that can initiate the call
between Charlie and the conference server using 3PCC.
I am specifically looking
Hi Simon
In adhoc conferences scenarios you described, it is possible that when
Alice invites Charlie to the conference between Alice and Bob, then
Alice does the media mixing and sends to Charlie. So here Alice could
act as a focus. So here conference server may or may not be involved.
Yes true B
It could have been stated better in 3261 so that it would apply in all
cases, rather than only in the named cases.
The basic rule should be that when there is an ambiguity in the grammar
around the parsing of an addr-spec (as to whether the ',' ';' or '?' is
part of the addr-spec or part of som
It is a known issue.
http://bugs.sipit.net/show_bug.cgi?id=765
> -Original Message-
> From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-
> implementors-boun...@lists.cs.columbia.edu] On Behalf Of Rockson Li
> (zhengyli)
> Sent: Monday, January 19, 2009 9:38 AM
> To: harbh.
Harbhanu,
I agree with you, addr-spec must be used as well for Refer-To.
However, looks like RFC3515 does not state this explicitly.
Regards,
-Rockson
-Original Message-
From: sip-implementors-boun...@lists.cs.columbia.edu
[mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf
2009/1/19 Simon Shaw :
> All,
>
> I am looking for the SIP standard/draft that defines how an ad-hoc
> conference should be initiated where the focus is not one of the
> original users as follows:
>
> 1) Alice is talking to Bob in a standard P2P call (RTP flowing in
> both directions between A
All,
I am looking for the SIP standard/draft that defines how an ad-hoc
conference should be initiated where the focus is not one of the
original users as follows:
1) Alice is talking to Bob in a standard P2P call (RTP flowing in
both directions between Alice and Bob)
2) Alice invites
Hi ,
Please provide directions and sample message flows for implementing
early-session(RFC-3959) with precondition(RFC-3311) enabled.
If 183 contains Require: precondition is this applicable for
Early-session also? If applicable please provide some message flows for
the same.
Regards
Anees
2009/1/19 harbhanu :
> Hi,
>
> For all the headers defined in 3261, which are obtained from ( name-addr /
> addr-spec ), we have a rules saying that the values
>
> must be wrapped with '<' and '>', incase addr-spec contains any of comma,
> semi-colon or question mark.
>
>
> So, does the value for
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