thanks for your response Pavesi..but my question was not about the type of call transfer. should i rephrase my doubts?
On Tue, Apr 26, 2011 at 10:52 PM, Pavesi, Valdemar (NSN - US/Irving) < [email protected]> wrote: > Hello, > > There are two type of call transfer. > > A) call transfer attended > http://www.tech-invite.com/Ti-sip-service-05.html > > > b) call transfer unattended > http://www.tech-invite.com/Ti-sip-service-04.html > > > Regards! > Valdemar > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of ext > isshed > Sent: Tuesday, April 26, 2011 12:10 PM > To: Worley, Dale R (Dale) > Cc: sip-implementors > Subject: Re: [Sip-implementors] Call Transfer Using REFER > > 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 > _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
