Re: [rtcweb] Default proto transport in JSEP
Roman Shpount <roman@telurix.com> Mon, 19 November 2018 20:47 UTC
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From: Roman Shpount <roman@telurix.com>
Date: Mon, 19 Nov 2018 15:47:44 -0500
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Cc: RTCWeb IETF <rtcweb@ietf.org>, mmusic WG <mmusic@ietf.org>
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Subject: Re: [rtcweb] Default proto transport in JSEP
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On Mon, Nov 19, 2018 at 3:31 PM Iñaki Baz Castillo <ibc@aliax.net> wrote: > On Mon, 19 Nov 2018 at 21:21, Roman Shpount <roman@telurix.com> wrote: > > ICE specifications (both RFC 5245 and ice-sip-sdp) are saying that these > fields are not cosmetic. All I am asking is to put values in these fields > that indicate that they are cosmetic instead of creating some rules on how > these fields should change which would cause potential interop issues. > > I suggest: > > m=KIND 9 ICE [codec PTs] > If you are re-inventing the protocol, why would you build SDP or m= lines? If you are using an existing protocol, why do you modify it in the way it is not compatible with anything in existence? I am suggesting always doing something like: m=audio 9 UDP/TLS/RTP/SAVPF [codec PTs] c=IN IP4 0.0.0.0 Do you see any issues with this except being aesthetically offended? > BTW, there are plenty of VoIP phones which use ICE and support Opus (or > G.711). They will also produce ICE mismatch since they implement RFC 5245. > So, these end points are WebRTC compatible except for this specific issue. > > If those phones already implement ICE (and let's assume also > DTLS-SRTP), how will a wrong or "invalid" c= or m= content affect > them? Browsers won't complain no matter what the SDP re-offer contains > in those lines, so the phone can put whatever it wishes. And the phone > should not read them in received SDP re-offers, so I don't fully > understand what the problem is. > Please read https://tools.ietf.org/html/draft-ietf-mmusic-ice-sip-sdp-24#section-3.2.5 Some people for some reason insist on following specifications. If you propose to do two opposite things, random things start being implemented. Regards, _____________ Roman Shpount
- [rtcweb] Draft Minutes Ted Hardie
- [rtcweb] Default proto transport in JSEP Roman Shpount
- Re: [rtcweb] [MMUSIC] Default proto transport in … Justin Uberti
- Re: [rtcweb] [MMUSIC] Default proto transport in … Roman Shpount
- Re: [rtcweb] Default proto transport in JSEP Iñaki Baz Castillo
- Re: [rtcweb] Default proto transport in JSEP T H Panton
- Re: [rtcweb] Default proto transport in JSEP Roman Shpount
- Re: [rtcweb] Default proto transport in JSEP Iñaki Baz Castillo
- Re: [rtcweb] Default proto transport in JSEP Roman Shpount
- Re: [rtcweb] Default proto transport in JSEP Iñaki Baz Castillo
- Re: [rtcweb] Default proto transport in JSEP Roman Shpount
- Re: [rtcweb] Default proto transport in JSEP Iñaki Baz Castillo
- Re: [rtcweb] Default proto transport in JSEP Roman Shpount
- Re: [rtcweb] Default proto transport in JSEP Iñaki Baz Castillo
- Re: [rtcweb] Default proto transport in JSEP Roman Shpount
- Re: [rtcweb] Default proto transport in JSEP Iñaki Baz Castillo
- Re: [rtcweb] Default proto transport in JSEP Justin Uberti
- Re: [rtcweb] Default proto transport in JSEP Roman Shpount
- Re: [rtcweb] Default proto transport in JSEP Justin Uberti
- Re: [rtcweb] Default proto transport in JSEP Roman Shpount
- Re: [rtcweb] Default proto transport in JSEP Justin Uberti
- Re: [rtcweb] Default proto transport in JSEP Roman Shpount
- Re: [rtcweb] Default proto transport in JSEP Roman Shpount
- Re: [rtcweb] [MMUSIC] Default proto transport in … Cullen Jennings
- Re: [rtcweb] [MMUSIC] Default proto transport in … Roman Shpount
- Re: [rtcweb] [MMUSIC] Default proto transport in … Flemming Andreasen
- Re: [rtcweb] [MMUSIC] Default proto transport in … Ted Hardie
- Re: [rtcweb] [MMUSIC] Default proto transport in … Roman Shpount
- Re: [rtcweb] [MMUSIC] Default proto transport in … Roman Shpount
- Re: [rtcweb] [MMUSIC] Default proto transport in … Cullen Jennings
- Re: [rtcweb] [MMUSIC] Default proto transport in … Roman Shpount
- Re: [rtcweb] [MMUSIC] Default proto transport in … Adam Roach
- Re: [rtcweb] [MMUSIC] Default proto transport in … Roman Shpount
- Re: [rtcweb] [MMUSIC] Default proto transport in … Justin Uberti
- Re: [rtcweb] [MMUSIC] Default proto transport in … Ted Hardie
- Re: [rtcweb] [MMUSIC] Default proto transport in … Roman Shpount
- Re: [rtcweb] [MMUSIC] Default proto transport in … Roman Shpount
- Re: [rtcweb] [MMUSIC] Default proto transport in … Christer Holmberg
- Re: [rtcweb] [MMUSIC] Default proto transport in … Christer Holmberg
- Re: [rtcweb] [MMUSIC] Default proto transport in … Christer Holmberg
- Re: [rtcweb] [MMUSIC] Default proto transport in … Roman Shpount