Re: I-D Action:draft-kaplan-sipping-interop-bcp-02.txt

On Sun, 2009-07-12 at 00:20 +0200, Gunnar Hellstrom wrote:
> 1. Do not encourage voice-centric call rejections.
> In 6.4 you say:
> "But it is also not uncommon that audio+video offers are (and should be)
> rejected if the 
>    device receiving the offer supports both audio and video but just 
>    not the specific audio codecs in the offer - even though it does 
>    support the video media types offered."
> 
> This is the type of unfortunate assumptions that complicate life for SIP
> device users who are not voice centric. The device manufacturer will usually
> not be in a position to judge how the users want to use media in a call. A
> call may very well be very valuable even if only matching video codecs were
> found. ( many users I know do not bother if audio gets connected or not, it
> is the video they want to use, and they want to be able to have calls with
> mainstream devices with mainstream settings. )

The example that comes to mind is a call made to a deaf person, with
intention to use sign language over the video media.  But the deaf
person has disabled the audio media on his UA...

Dale


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