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Re: [sipcore] draft on rich call data and Call-Info

Paul Kyzivat <pkyzivat@alum.mit.edu> Wed, 05 August 2020 16:16 UTC

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To: "Peterson, Jon" <jon.peterson@team.neustar>, "sipcore@ietf.org" <sipcore@ietf.org>
References: <87AF4B58-D947-417D-AD26-D2D47EE53338@team.neustar> <05017c3b-55e5-c74a-2730-3ba349e14a3d@alum.mit.edu> <3A143F2A-2E4D-4B08-8E61-3F32CB3FB9B4@team.neustar>
From: Paul Kyzivat <pkyzivat@alum.mit.edu>
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Date: Wed, 05 Aug 2020 12:16:37 -0400
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Archived-At: <https://mailarchive.ietf.org/arch/msg/sipcore/XR0kQmghRCVhwCnSKqapYXQTLs8>
Subject: Re: [sipcore] draft on rich call data and Call-Info
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On 8/5/20 12:01 PM, Peterson, Jon wrote:
> 
> Thanks for taking a glance Paul. Just to the matter of call reason and Subject:
>      
>      Similarly, I think it need do discuss the need for the "call-reason"
>      parameter. As the draft notes, the contents of the Subject header could
>      be used for this purpose. I would like to some some further in
>      investigation of why it is unsuitable before giving up on it.
>      
> Broadly I imagine that call reason might eventually call for structured data to handle cases like internationalization (display the Spanish version if the UE indicates a native Spanish speaker) or broad categories of subject types ("appointment/reservation confirmation" or "IVR callback") that might be handled programmatically in some way. I guess I look at the Subject header as pretty syntactically poor, and moreover something that legacy implementations might expect to treat already in some unhelpful way (most likely by stripping/ignoring it). But I'm interested to hear what people think about this one.

This all makes sense to me. It just needs to make it into the document.

	Thanks,
	Paul

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