Hi
How is the binding developed in a REGISTER?.
I see in some REGISTER messages the contact is having IP address and in some
there is user@domain?
what should be the case?is it mandatory to have the user part?
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Thanks Paul and everyone ...
I am designing Phone1 to use only one audio and one video. Phone1
supports secured media as well. so it is offering both secure/non
secure to phone2 and expects phone2 to select among the given m-lines
(RTP and SRTP).
Thanks.
On Wed, Apr 16, 2014 at 7:54 PM, Paul Kyz
I read a number of the replies to this, but couldn't find an obvious
place to jump in, so I'm just replying here.
An offer multiple audio and/or video m-lines does not mean that they are
*alternatives*. Absent some explicit indication, there is no way to know
what the offerer's intent is in of
Hi
I believe It depends on implementation also. The client can send reinvite with
port zero for unwanted m-lines or it can send SRTP directly.
We have tested RTP/AVPF and RTP/AVP with 4 m-lines ,if the answerer responds
with 4 valid m-lines then we prefer RTP/AVPF and starts sending media. Our
Hello all,
We have a scenario where my endpoint receives multiple crypto in the offer
it selects two of them responds with them in the answer:
Offer:
a=crypto:1 AES_CM_256_HMAC_SHA1_32
inline:raAXCEI2rA+J7VjZo2Z906Lwa+KHSUAW407zRJYwNOSVW5o2HtrdTyI9kq7mnA==|2^31
a=crypto:2 AES_CM_256_HMAC_SHA1_80
Hi,
If I recall correctly, there are MMUSIC RFCs (such as maybe RFC 6871)
which can potentially be used to clearly communicate to answerer that it
prefers only specific combinations of audio and video to be successfully
answered. This could potentially help avoid the need for subsequent
offer/ans
Hi,
This Offer-Answer is use-case of supporting multiple m-line for SRTP. The
answerer does support SAVP (for media encryption).
Ideally, Answerer should keep the port zero for audio and video m-lines with
RTP/AVP and non-zero port for audio and video m-lines with RTP/SAVP (if the
answerer want
> Which m line should phone1 select to send and
> receive audio and video.
>From an offer/answer perspective, all of the m lines.
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I think this happens with codecs. The first one from each list would be the
selected and would be initially used unless re-offer or switch on the fly tales
place.
However in the case of m-lines (ie. multiple negotiated streams) I'm under the
impression that unless port is 0 in any of them then
I think the first audio line and the first video line in the answer should
be taken as the negotiated codecs.
Thanks,
Mayank.
Mayank Kamthan
On Wed, Apr 16, 2014 at 12:21 PM, isshed wrote:
> Hi All,
>
> I have 1 basic query regarding ofer-answer model
>
>
> Phone1 is sending the offer with 2
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