Re: [Slim] Question about "asymmetrical language use"

Bernard Aboba <bernard.aboba@gmail.com> Wed, 10 January 2018 00:29 UTC

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From: Bernard Aboba <bernard.aboba@gmail.com>
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Date: Tue, 9 Jan 2018 16:29:05 -0800
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To: Randall Gellens <rg+ietf@randy.pensive.org>
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Subject: Re: [Slim] Question about "asymmetrical language use"
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That would help, thanks,

> On Jan 9, 2018, at 3:50 PM, Randall Gellens <rg+ietf@randy.pensive.org> wrote:
> 
> The wording is intended to permit only one to be specified for asymmertical use cases, it is not intended to disallow both to be specified.  This could be clarified by adding "or both":
> 
>   When placing an emergency call, and in any other case where the
>   language cannot be inferred from context, in an offer each media
>   stream primarily intended for human language communication SHOULD
>   specify both (or for asymmetrical language use, one or both of) the
>   'hlang-send' and 'hlang-recv' attributes.
> 
> 
> At 3:07 PM -0800 1/9/18, Bernard Aboba wrote:
> 
>> In Section 5.1 of -22, I noted the following sentence:
>> 
>> " When placing an emergency call, and in any other case where the language cannot be inferred from context, in an offer each media stream primarily intended for human language communication SHOULD specify both (or for asymmetrical language use, one of) the 'hlang- send' and 'hlang-recv' attributes."
>> 
>> [BA] In our previous discussions, we have talked about scenarios (e.g. speech impaired, but not hearing impaired) in which it is useful to include both 'hlang-send' and 'hlang-recv' so as to accommodate user needs.  Wouldn't such a scenario qualify as "asymmetrical language use"?  If so, how could the user's needs be accommodated with only one of the 'hlang-send' or 'hlang-recv' attributes?
>> 
>> 
>> 
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> 
> 
> -- 
> Randall Gellens
> Opinions are personal;    facts are suspect;    I speak for myself only
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