Re: [Iptel] CPL as a standard for distinctive ringing

[Jonathan Rosenberg <[e-mail]>]

[e-mail] wrote:

> 
> 
> 
> Probably subject of my mail was misleading. My intension was to mean CPL as
> a standard way of scripting distinct ring plan at proxy server.

I think what you had in mind here is that the proxy would process the 
CPL, and insert an Alert-Info header, and then forward that INVITE to 
the UA which would play that ring. Is that right?

> The hypothetical extension (draft-ietf-iptel-cpl-08: chapter 12.10) can be
> used by proxy administrators to script a distinct ring plan for a
> subscriber/ end-point. I was wondering how long this will be kept as a
> "hypothetical" extension in the draft? The suggested "ring" node can be
> included in the standard CPL schema just like other nodes e.g. "mail"
> non-signalling node. In that case, proxy server developers will provide CPL
> as a standard way of scripting distinct ring plan for a subscriber.

CPL is complete, and thus no features will be added to the base 
specification. However CPL is extensible. If you have an interest in 
seeing such an extension standardized, I would suggest writing up an 
internet-draft with a proposed extension, and bringing that forward for 
discussion.

-Jonathan R.



-- 
Jonathan D. Rosenberg, Ph.D.                600 Lanidex Plaza
Chief Technology Officer                    Parsippany, NJ 07054-2711
dynamicsoft
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