Many thanks for the replies. Valdemar, i have seen such call flows but when using a PBX such as 3CX for example, the REFER with replaces is sent to the PBX which then sends an INVITE without a replaces header to the respective UA. Those diagrams don't really deal with a 'real life' situation where INVITEs are going via a PBX so i think that is why i haven't been able to see these in practice.
Any comments welcome. --- On Mon, 25/10/10, Pavesi, Valdemar (NSN - US/Irving) <[email protected]> wrote: > From: Pavesi, Valdemar (NSN - US/Irving) <[email protected]> > Subject: RE: [Sip-implementors] Is Replaces header in Invite still used much? > To: "ext M. Ranganathan" <[email protected]>, [email protected] > Cc: [email protected] > Date: Monday, 25 October, 2010, 16:26 > > > > See here: > > 04. Transfer - Unattended > http://www.tech-invite.com/Ti-sip-service-4.html > > And > > 05. Transfer - Attended > http://www.tech-invite.com/Ti-sip-service-5.html > > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] > On Behalf Of ext > M. Ranganathan > Sent: Monday, October 25, 2010 8:11 AM > To: [email protected] > Cc: [email protected] > Subject: Re: [Sip-implementors] Is Replaces header in > Invite still used > much? > > On Mon, Oct 25, 2010 at 8:49 AM, Nauman Sulaiman > <[email protected]> > wrote: > > Hi, i have examined some SIP traces of attended > transfers using some > PBX's > > such as Asterisk and 3CX using X-Lite softphones and > am finding that > there are no Replaces headers in the Invites to the > transfer target. So > where is the Replaces header in Invites used these days and > how could i > set up some call flow to observe it? > > > > Thanks > > Yes it is. Try a Polycom phone. > > > > > > > > > > > _______________________________________________ > > Sip-implementors mailing list > > [email protected] > > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > > > > > > -- > M. Ranganathan > _______________________________________________ > 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
