Re: [Slim] Eric Rescorla's No Objection on draft-ietf-slim-negotiating-human-language-19: (with COMMENT)
Paul Kyzivat <paul.kyzivat@comcast.net> Sun, 07 January 2018 17:53 UTC
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From: Paul Kyzivat <paul.kyzivat@comcast.net>
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Subject: Re: [Slim] Eric Rescorla's No Objection on draft-ietf-slim-negotiating-human-language-19: (with COMMENT)
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On 1/7/18 12:02 AM, Randall Gellens (IETF) wrote: > It hasn't been my understanding that language would be sprung on users; > if video is requested in an offer to carry ASL, that would be in the > offer, and if the answerer can support ASL, the answer includes video > with ASL. In North America, callers needing sign language interpretation > or text translation usually initiate calls via the interpreter/relay > service, but this might not be true elsewhere. This is a mechanism that has evolved as the path of least resistance and based on technology available at the time. But it is sub-optimal. To avoid recruiting an unneeded ASL interpreter requires knowing a priori that a callee supports ASL natively. Future technology will make it easier to discover the need for translation and recruit it dynamically. Hence the mechanism should not a priori knowledge of the need. Thanks, Paul > In North America, PSAPs > have the ability to handle text calls (legacy PSAPs support TTY; > next-gen PSAPs support RTT). Calls needing language translation might > internally be handled by staff who speak the language or an external > language translation service might be bridged in, (e.g., an emergency > call routed to a PSAP in San Diego might have call takers who speak > Spanish but might need a third-party translator for French, the opposite > for a PSAP in Montreal). > > Sent from my iPad > > On Jan 6, 2018, at 7:31 PM, Bernard Aboba <bernard.aboba@gmail.com > <mailto:bernard.aboba@gmail.com>> wrote: > >> On Jan 6, 2018, at 6:55 PM, Eric Rescorla <ekr@rtfm.com >> <mailto:ekr@rtfm.com>> wrote: >> >>> For disabled users, the capabilities may not be symmetric. >>> >>> >>> But this is true for ordinary SDP as well. I might be able to receive >>> H.264 but not send it. >> >> [BA] Thanks. The draft should explain the reasoning. IMHO the argument >> goes sonething like this: >> >> A pure recv/recv negotiation will not necessarily disclose beforehand >> what special services are needed for the call - services (e.g. ASL >> interpretation or RTT handling) that could take time to acquire. >> >> Since the actual video media sent is not labelled as ASL even if the >> answerer has ASL interpreters it can pull in and therefore advertises >> in SDP ASL reception capability in video, a recv/recv negotiation >> doesn’t tell the Answerer that the Offerer will need them, so the >> Answerer may need to (frantically) arrange for ASL interpretation >> after initial receipt of media. In an emergency, that can chew up >> valuable time. >> >> >> _______________________________________________ >> SLIM mailing list >> SLIM@ietf.org <mailto:SLIM@ietf.org> >> https://www.ietf.org/mailman/listinfo/slim >> > > > _______________________________________________ > SLIM mailing list > SLIM@ietf.org > https://www.ietf.org/mailman/listinfo/slim >
- [Slim] Eric Rescorla's No Objection on draft-ietf… Eric Rescorla
- Re: [Slim] Eric Rescorla's No Objection on draft-… Bernard Aboba
- Re: [Slim] Eric Rescorla's No Objection on draft-… Eric Rescorla
- Re: [Slim] Eric Rescorla's No Objection on draft-… Randall Gellens
- Re: [Slim] Eric Rescorla's No Objection on draft-… Bernard Aboba
- Re: [Slim] Eric Rescorla's No Objection on draft-… Randall Gellens (IETF)
- Re: [Slim] Eric Rescorla's No Objection on draft-… Eric Rescorla
- Re: [Slim] Eric Rescorla's No Objection on draft-… Eric Rescorla
- Re: [Slim] Eric Rescorla's No Objection on draft-… Paul Kyzivat
- Re: [Slim] Eric Rescorla's No Objection on draft-… Randall Gellens
- Re: [Slim] Eric Rescorla's No Objection on draft-… Gunnar Hellström
- Re: [Slim] Eric Rescorla's No Objection on draft-… Eric Rescorla
- Re: [Slim] Eric Rescorla's No Objection on draft-… Randall Gellens
- Re: [Slim] Eric Rescorla's No Objection on draft-… Eric Rescorla
- Re: [Slim] Eric Rescorla's No Objection on draft-… Bernard Aboba
- Re: [Slim] Eric Rescorla's No Objection on draft-… Bernard Aboba
- Re: [Slim] Eric Rescorla's No Objection on draft-… Gunnar Hellström
- Re: [Slim] Eric Rescorla's No Objection on draft-… Randall Gellens
- Re: [Slim] Eric Rescorla's No Objection on draft-… Eric Rescorla
- Re: [Slim] Eric Rescorla's No Objection on draft-… Randall Gellens
- Re: [Slim] Eric Rescorla's No Objection on draft-… Randall Gellens
- Re: [Slim] Eric Rescorla's No Objection on draft-… Eric Rescorla
- Re: [Slim] Eric Rescorla's No Objection on draft-… Paul Kyzivat
- Re: [Slim] Eric Rescorla's No Objection on draft-… Gunnar Hellström
- Re: [Slim] Eric Rescorla's No Objection on draft-… Randall Gellens
- Re: [Slim] Eric Rescorla's No Objection on draft-… Randall Gellens
- Re: [Slim] Eric Rescorla's No Objection on draft-… Gunnar Hellström
- Re: [Slim] Eric Rescorla's No Objection on draft-… Gunnar Hellström
- Re: [Slim] Eric Rescorla's No Objection on draft-… Randall Gellens
- Re: [Slim] Eric Rescorla's No Objection on draft-… Gunnar Hellström
- Re: [Slim] Eric Rescorla's No Objection on draft-… Randall Gellens
- Re: [Slim] Eric Rescorla's No Objection on draft-… Paul Kyzivat
- Re: [Slim] Eric Rescorla's No Objection on draft-… Gunnar Hellström
- Re: [Slim] Eric Rescorla's No Objection on draft-… Paul Kyzivat
- Re: [Slim] Eric Rescorla's No Objection on draft-… Randall Gellens
- Re: [Slim] Eric Rescorla's No Objection on draft-… Gunnar Hellström
- Re: [Slim] Eric Rescorla's No Objection on draft-… Randall Gellens
- Re: [Slim] Eric Rescorla's No Objection on draft-… Gunnar Hellström
- [Slim] Updated version addresses comments receive… Randall Gellens
- Re: [Slim] Updated version addresses comments rec… Randall Gellens
- Re: [Slim] Updated version addresses comments rec… Randall Gellens