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Re: [rtcweb] SIP Glare - Re: Minimal SDP negotiation mechanism

Cullen Jennings <fluffy@cisco.com> Thu, 22 September 2011 19:48 UTC

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From: Cullen Jennings <fluffy@cisco.com>
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Date: Thu, 22 Sep 2011 13:51:13 -0600
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To: Iñaki Baz Castillo <ibc@aliax.net>
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Subject: Re: [rtcweb] SIP Glare - Re: Minimal SDP negotiation mechanism
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On Sep 22, 2011, at 12:20 PM, Iñaki Baz Castillo wrote:

> 2011/9/22 Harald Alvestrand <harald@alvestrand.no>:
>> Magnus' analysis worries me a bit, because it seems to assume specific
>> functionality in the gateway (tracking of state and ability to generate SIP
>> messages depending on state).
>> It seems reasonably simple to build a gateway, but we quickly get to the
>> point where we have to write standards for the gateway function .... which
>> could lead us down rather deep ratholes.
> 
> Are we assuming that a media gateway will be required for RTP/media
> communication between a WebRTC client (web browser) and a SIP node?
> If such decision is taken IMHO it's sad.

My take is that most people want to make sure that a translator between SIP and web stuff would only need to look at signalling - it would not touch the media. I'm working on the asumption that is what any solution will look like. So, no media GW.

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