Re: questions about usage of tel URI with a SIP UA

Nils Ohlmeier <[email protected]>
Newsgroups gmane.ietf.sip
Message-ID <[email protected]>
Hello,

Am 20.02.2009 2:05 Uhr, schrieb Cowby:
> Q1: is it possible that a SIP UA can receive incoming requests with tel uri
> as the request-uri?

In IMS yes.

> Q2: if the answer to Q1 is yes, how does a SIP UA normally handle tel uri to
> match the UA itself?

Take a look at the P-Associated-URI header.

> For example, if a UA has a mailto:"sip:[email protected]' as its IMS public
> identity and +1-408-555-6666 as it global phone number,
>
> Q1: is it possible that the UA's P-CSCF can route an INVITE
> tel:+1-408-555-6666 request to the UA?

Yes, see above.

> Q2: how can the UA match itself when it is configured as [email protected] but
> know nothing of its phone number?

See above as well.

BTW such questions should be directed to the sip-implementors mailing 
list instead (although I'm not sure if they discuss IMS as well).

Best regards
   Nils Ohlmeier
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