Re: [Sip] INFO Framework: Tags

[Dean Willis <dean.willis at softarmor.com>]

On Nov 21, 2008, at 1:57 PM, DRAGE, Keith (Keith) wrote:

> Well you seem to be arguing for the need for an option tag in a  
> Require
> header field rather than in a Supported header field. These are a
> barrier to interoperability and therefore need to be very carefully
> considered.

An option tag, once defined, can be used in Require, Supported (in all  
requests, probe with an OPTIONS), and in RFC 3840/3841 caller  
preferences/callee capabilities selective routing.

--
Dean

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