On Thu, Feb 26, 2009 at 7:29 AM, Johansson Olle E <[email protected]> wrote:
>> IMO, "user=phone" shows user part, xxxx@, indicate TEL-URL.
>
> Where is this documented?
rfc3261, 19.1.1:
The set of valid telephone-subscriber strings is a subset of
valid user strings. The user URI parameter exists to
distinguish telephone numbers from user names that happen to
look like telephone numbers. If the user string contains a
telephone number formatted as a telephone-subscriber, the user
parameter value "phone" SHOULD be present.
(also read 19.1.6).
~ Theo
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