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Re: [rtcweb] Consensus vs. Voting (was Re: Call for Consensus Regarding Selecting Recommended Audio Codecs) (UNCLASSIFIED)

"Rauschenbach, Uwe (NSN - DE/Munich)" <uwe.rauschenbach@nsn.com> Thu, 17 January 2013 14:24 UTC

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Thread-Topic: [rtcweb] Consensus vs. Voting (was Re: Call for Consensus Regarding Selecting Recommended Audio Codecs) (UNCLASSIFIED)
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From: "Rauschenbach, Uwe (NSN - DE/Munich)" <uwe.rauschenbach@nsn.com>
To: ext Adam Roach <adam@nostrum.com>
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Cc: rtcweb@ietf.org
Subject: Re: [rtcweb] Consensus vs. Voting (was Re: Call for Consensus Regarding Selecting Recommended Audio Codecs) (UNCLASSIFIED)
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> -----Original Message-----
> From: ext Adam Roach [mailto:adam@nostrum.com]
> 
> On 1/17/13 07:16, Rauschenbach, Uwe (NSN - DE/Munich) wrote:
> >> -----Original Message-----
> >> From: rtcweb-bounces@ietf.org [mailto:rtcweb-bounces@ietf.org] On
> >> Behalf Of ext Andrew Allen
> >>
> >> Since almost every computing platform has a browser (including most
> >> mobile phones) within a few years every computing platform will
have
> >> RTCweb and OPUS so the need for high fidelity legacy codec
> >> interoperability will I think become a mute point.
> >>
> > This is not the point. The use case is to enable a user of an RTCWeb
> > service to reach another user via the legacy telephone network, be
it
> > mobile or fixed. The fact whether or not the browser on the mobile
> phone
> > is capable of RTCWeb is of no relevance for this use case, because
it
> > may well be that the two call parties use different RTCWeb services
> with
> > no interconnection, and the only way to reach each other is via the
> > telephone network.
> >
> 
> If you're using the existing PSTN as your lowest-common-denominator
> interconnect, then the call *is* going to be G.711 at some point in
its
> life. And given that the WebRTC endpoints can talk G.711 to the PSTN
> gateway -- G.711 being MTI -- this use case is already addressed.
> 
> /a

I subsume under "legacy telephone network" both the fixed network
(G.711) and the mobile network (AMR-WB).
 
Uwe

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