Hi Nils, On Tue, Mar 3, 2009 at 10:01 AM, Nils Ohlmeier <lists@xxxxxxxxxxxx> wrote:> After reading the mails again I thought maybe your intention was to use a> CANCEL in the following scenario:> a 3PCC application, lets say a conference service, calls Alice at a given> time to initiate the scheduled call. When Alices picks up the phone the 3PCC> application will call Bob (and maybe more participants). But now Alice is> currently in a more important meeting and wants to block this conference> call for 30 minutes.> As the 3PCC acts on behalf of Alice you could think that Alice would need to> send a CANCEL here to prevent that the call gets established. But this> assumption is wrong. Again only the 3PCC application could send a CANCEL in> this scenario. Alice would simply reject the incoming call with 4xx reponse> to block it for some time. Yes, I was actually considering scenarios described in rfc3725. Anincoming 4xx or a BYE on legA could represent an outgoing CANCEL onlegB. Cheers,-- Victor Pascual Ávila_______________________________________________Sipping mailing list https://www.ietf.org/mailman/listinfo/sippingThis list is for NEW development of the application of SIPUse sip-implementors@xxxxxxxxxxxxxxx for questions on current sipUse sip@xxxxxxxx for new developments of core SIP
