[EMAIL PROTECTED] wrote:

> Third party subscriptions is a deprecated concept according to
> draft-ietf-sip-events-01, but how does a party A request a subscription to
> party X on behalf of party Y, in such a way that Y receives the NOTIFIES?
> Does the From header contain A or Y?


A

> Does the Contact header point to A or
> Y?


Y

> Does A simply send a SUBSCRIBE request as if it were Y (assuming it can
> provide proper authorization credentials)?


If it can, sure, otherwise it will need to identify itself as A, and 
that is why the From field would be A.

-Jonathan R.


-- 
Jonathan D. Rosenberg, Ph.D.            72 Eagle Rock Avenue
Chief Scientist                         First Floor
dynamicsoft                             East Hanover, NJ 07936
[EMAIL PROTECTED]                 FAX: (973) 952-5050
http://www.jdrosen.net                  PH:  (973) 952-5000
http://www.dynamicsoft.com

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