Subject: [Sipping] RE: I-D ACTION:draft-johnston-sipping-cc-uui-02.txt

From: Peili Xu <[email-masked]>
Date: Thu, 05 Jul 2007 16:26:06 +0800

Hi Alan et al,

This feature is useful when interworking with ISDN
signaling.

But for ACD application, even when such general header
is defined, 
coordinated configuration between servers is still
required and some ACD service
may trigger specific extentions to SIP instead of such a
general one.

I would propose to limit the usage of this header to
interworking currently,
and the requirement for ACD application could be
discussed case by case first.

Therefore name such header as P- header seems
appropriate.

What's more, to guarentee extensibility for the future, 
I also propose to change the syntex of the headerto sth
like this for your consideration:

 UUI		=  "P-Uesr-to-User" HCOLON uui-value
*(COMMA uui-value)
 uui-value	=  protocol *(SEMI uui-data)
 protocol	=  "Q.931" / token
 uui-data	=  token

Peili

-----Original Message-----
From: [email-masked]
[mailto:[email-masked]] 
Sent: Tuesday, July 03, 2007 11:15 PM
To: [email-masked]
Subject: I-D ACTION:draft-johnston-sipping-cc-uui-02.txt

A New Internet-Draft is available from the on-line
Internet-Drafts directories.

	Title		: Transporting User to User
Information for Call Centers using SIP
	Author(s)	: A. Johnston, J. McMillen
	Filename	:
draft-johnston-sipping-cc-uui-02.txt
	Pages		: 10
	Date		: 2007-7-3
	
Several approaches to transporting User to User
Information (UUI) in
   Contact Center scenarios have been implemented.  This
document
   discusses the approaches and recommends a single
approach for
   standardization.

A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-johnston-sippi
ng-cc-uui-02.txt

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