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RE: [Sip] INFO: A recap, sense of consensus and a proposal fordirection.
>-----Original Message-----
>From: Hadriel Kaplan [mailto:HKaplan at acmepacket.com]
>Sent: Tuesday, October 30, 2007 11:26 PM
>To: Francois Audet
>Cc: sip List
>Subject: RE: [Sip] INFO: A recap, sense of consensus and a
>proposal fordirection.
>
>
>
>> -----Original Message-----
>> From: Francois Audet [mailto:audet at nortel.com]
>>
>> > Or a package
>> > for sending vcard info to the caller/called. Or a package for
>> > giving out a jpeg for photo-id, or for call screen display.
>>
>> Isn't that what the Call-info header is exactly for (RFC 3261/20.9)?
>
>It was my understanding the Call-Info header was to give a URI
>to go fetch stuff from, usually an HTTP URI (if one could use
>the term "usually" for the Call-Info header ;). That is
>highly unlikely I think, since it is highly unlikely a SIP UA
>has a web-server to provide such, or one globally reachable
>(like, good luck if it's behind a NAT/FW). I guess you could
>put in a SIP URI and tell it to Subscribe for a jpeg photo-id
>package, and stick some cookie in the uri so the serving UA
>can correlate the subscribe request to the call (i.e., which
>call is asking for this info?). <sarcasm>Yeah that's a lot
>more reasonable than just using the Invite dialog to send it
>in an INFO.</sarcasm>
One can also use out of dialog REFER with the URI in Refer-To header and
add a Target-Dialog header referencing the INVITE dialog this
information to be fetched from URI in Refer-To applies to. The Refer-To
url can be globally reachable one.
Thanks.
>
>-hadriel
>
>
>
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>
_______________________________________________
Sip mailing list https://www1.ietf.org/mailman/listinfo/sip
This list is for NEW development of the core SIP Protocol
Use sip-implementors at cs.columbia.edu for questions on current sip
Use sipping at ietf.org for new developments on the application of sip