I'm also interested in this. Is there any example that UA will respond SUBSCRIBER to achieve some services?
Ryan -------------------------------------------------- From: <[EMAIL PROTECTED]> Sent: Tuesday, March 04, 2008 4:55 AM To: <[email protected]> Subject: Re: [Sip-implementors] Is a SUBSCRIBE request ever fielded by aUAinsteadof a proxy? > From: "Jeff Wright" <[EMAIL PROTECTED]> > > I have a question regarding the SUBSCRIBE method. Is there ever a > situation in which a SUBSCRIBE request would be sent from one UA to > another UA, instead of directed at a SIP proxy? > > If a SIP agent generates a 2xx response to a request, it is acting as > a UA (in regard to that request). So in a trivial sense, *all* > SUBSCRIBE requests are sent to UAs. > > In practice, most SIP phones will generate dialog events if they > receive a SUBSCRIBE for them. In a proxy-based world, only the phone > knows what dialogs are terminated at the phone, anyway. > > Dale > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
