Re: [Sip] MESSAGE for rendering

[Jonathan Rosenberg <[e-mail]>]

I think application/im-iscomposing+xml IS rendered; and its rendering 
causes the UI to show that the user is typing.

As a litmus test for this stuff, a question is whether it can reasonably 
be converted to a text/plain content and sent in a MESSAGE, and if it is 
rendered, is the resulting behavior reasonable. For the iscomposing 
indicators, I think you could. You could instead send a text IM like 
"Joe is typing a reply..." and render that, and this would achieve the 
same objective.

Also, I would not want to send iscomposing over the SIP dialog - I think 
it should be on the media path. There will be a LOT of them, and there 
is a requirement for timeliness. See my other note on the criteria for 
sending something in dialog vs. along the media path.

-Jonathan R.

Dean Willis wrote:
> 
> On Dec 18, 2007, at 1:05 PM, Salvatore Loreto wrote:
> 
>> Hi Paul,
>>
>> just to add another example to this discussion (same as the vcard 
>> example):
>> an application/im-iscomposing+xml content-type can be put in the body 
>> of a SIP MESSAGE and it is not (or it is not supposed to be) rendered
>> as is to the recipient; an application that understood it would render 
>> it in whatever way it indicates that a user is in the process of 
>> composing a message.
>>
> 
> Okay, I'm now completely convinced that most uses of MESSAGE are really 
> candidates for the new INFO events.
> 
> -- 
> Dean
> 
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-- 
Jonathan D. Rosenberg, Ph.D.                   499 Thornall St.
Cisco Fellow                                   Edison, NJ 08837
Cisco, Voice Technology Group
[e-mail]
http://www.jdrosen.net                         PHONE: [phone]
http://www.cisco.com


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