Re: [rtcweb] Requiring ICE for RTC calls

Matthew Kaufman <matthew.kaufman@skype.net> Tue, 27 September 2011 17:27 UTC

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Date: Tue, 27 Sep 2011 10:30:13 -0700
From: Matthew Kaufman <matthew.kaufman@skype.net>
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To: Justin Uberti <juberti@google.com>
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Cc: rtcweb@ietf.org
Subject: Re: [rtcweb] Requiring ICE for RTC calls
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On 9/27/11 10:01 AM, Justin Uberti wrote:
> Neither Google Voice nor Skype (both fairly popular services) send raw 
> RTP directly from the client to a PSTN terminator. 

True.

> I can't speak for Skype, but Google Voice uses a media gateway for the 
> quality-related reasons I mentioned earlier.

I can't speak for Skype either, but this is a good guess.

>
> Since these large-scale services can deploy media gateways, it's clear 
> that this is not a significant impediment.

Agree. I'm not at all sure what the argument is that we need 
existing-PSTN-gateway-compatible RTP (without SRTP or ICE). If there is 
demand, these gateways will be upgraded to support RTCWeb. If there is 
not, service providers can run intermediate gateways.

Matthew Kaufman