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Re: Mozilla/Cisco API Proposal

From: Cullen Jennings <fluffy@cisco.com>
Date: Tue, 12 Jul 2011 07:44:58 -0700
Cc: Anant Narayanan <anant@mozilla.com>, public-webrtc@w3.org
Message-Id: <C2821D10-83C6-4A91-85E1-EF6A2DA68981@cisco.com>
To: Ian Hickson <ian@hixie.ch>

On Jul 11, 2011, at 20:22 , Ian Hickson wrote:

>>>> 	- We added a BLOCKED state in addition to LIVE and ENDED, to allow a
>>>> peer to say "I do not want data from this stream right now, but I may
>>>> later" -
>>>> eg. call hold.
>>> How is this distinguished from the stop() scenario at the SDP level?
>> stop() at SDP is initiated when a stream is ENDED, as mentioned before we'll
>> have to come up with a new mechanism (or use an existing RTP mechanism) to
>> implement BLOCKED.
> Ah, ok. For interop with existing ICE stacks (e.g. SIP phones) it seems it 
> would be massively beneficial if we could stick to the currently specified 
> and implemented set of ICE features, at least for our initial work. :-)

There are ways in SDP that are used by current phones to say, I'm not sending a particular RTP stream but allow it to be restarted again in the future. If we can figure out what sort of API we want at the high level, I think I can show how to map this on to existing SDP. 
Received on Tuesday, 12 July 2011 14:45:26 UTC

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