Mary has a good point, but I think an even simpler solution is the
following:

NEW:

 RFC 4244, An Extension to SIP for Request History Information (S):
       RFC 4244 [37] defines the History-Info header field, which
       indicates information on how and why a call came to be routed to
a
       particular destination.   

As for RFC 4458, I think it belongs int the "SIP Service URIs" section
and maybe the PSTN interop one (it's really a form of RFC 3087 service
URI for PSTN interop).

> -----Original Message-----
> From: Barnes, Mary (RICH2:AR00) 
> Sent: Wednesday, October 24, 2007 08:20
> To: Jonathan Rosenberg
> Cc: [email protected]; DRAGE, Keith (Keith)
> Subject: [Sip] Some Comments: WGLC of 
> draft-ietf-sip-hitchhikers-guide-03
> 
> 
> Following Keith's recommendation for us to at least review 
> the entries for the RFCs that we authored, I have some 
> feedback on the entry for RFC
> 4244 (History-Info) and a few other comments.  
> 
> RFC 4244 comments (Section 5):
> ------------------------------
> The statement about the primary application being voicemail 
> is a mis-characterization and is based on the fact that we 
> had so, so many long, long discussions on the use of 
> History-Info for voicemail. RFC
> 4244 is written to provide a very general mechanism and is 
> applicable to a variety of applications. My concern is that 
> mis-characterization may result in folks trying to define 
> something new when the capability already exists with 
> History-Info (e.g., 3GPP p-served-user p-header).
> So, I suggest something like the following change:
> 
> OLD:
> RFC 4244, An Extension to SIP for Request History Information (S):
>       RFC 4244 [37] defines the History-Info header field, which
>       indicates information on how a call came to be routed to a
>       particular destination.  Its primary application was in 
> support of
>       voicemail services.
> 
> NEW:
> RFC 4244, An Extension to SIP for Request History Information (S):
>       RFC 4244 [37] defines the History-Info header field, which
>       indicates information on how and why a call came to be 
> routed to a
>       particular destination.  One application was in support of
>       voicemail services, with details of such provided in RFC 4458.
>       Other example applications include Automatic Call Distribution
>       and Call Transfer scenarios. 
> 
> And, this of course, adds a reference to RFC 4458. I don't 
> have a strong opinion as to whether detail on that RFC 
> shouldn't be included elsewhere
> in this document.   


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