Thanks Dale for your response. so the other doubt is what will happed to this dialog when the call gets transferred. does it not get destroyed with the BYE? if so what about the rest of the notify?
I know I am asking the basics but it will improve my understanding. Thanks. On Tue, Apr 26, 2011 at 8:55 PM, Worley, Dale R (Dale) <[email protected]>wrote: > Although it is not mentioned in any of the RFCs, the universal way of using > REFER for call transfer is to send the REFER within the dialog that you are > transferring, the dialog that was created by the initial INVITE. "Out of > dialog REFER" is rarely used for call transfer. > > It is very uncommon to have a subscription and an "INVITE dialog usage" > (that is, phone call) within the same dialog -- with the exception of the > subscription that is created by a REFER within the INVITE dialog usage. > > Dale > _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
