Okay, thanks for the info. So is appending Service-Route to existing/preconfigured route set the best approach? Any potential pitfalls with this? (I can't think of any). -benny Olivier Beytrison wrote: > let me quote the book "The IMS IP Multimedia Concepts and Services" from > Wiley > > Page 180 reguarding the 200 OK returned from a successful Registration > > "" > The UE, when receiving the 200 (OK) response, will store the entries in > the Service-Route header. Whenever the UE sends out any initial > requestion other than a REGISTER message, it will : > > * include the addresses that were received in the Service-Route header > within a Route header of the initial requests; and > * include the P-CSCF address as the topmost Route entry in the initial > request. > > "" > > should clear your doubts :) > > Regards, > > Olivier > > Benny Prijono a ?crit : >> Klaus Darilion wrote: >>> Olivier Beytrison schrieb: >>>> I don't think so. Because th P-CSCF address will be mostly assigned by >>>> DHCP Option. Because when you're are moving with your device, you move >>>> from one area to another one covered by annother GGSN, which mean you'll >>>> have to contact a new P-CSCF, this without invalidating your registration. >>> In the 3G book from Gonzalo Camarillo, the Service Route only includes >>> the S-CSCF (no P and no I). >> Thanks for joining the discussion, Klaus. I think I must have >> misunderstood RFC 3608 Section 6.1, which I thought says that the >> Service-Route headers replace the whole route set configured in the UA. >> >> So as a confirmation, is it correct to append Service-Route headers >> into existing route set? >> >> -benny >> >> >>> Nevertheless I think Benny is right: without reREGISTRATION after >>> changing the P-CSCF the client can not receive incoming calls (still >>> routed to old P-CSCF using the old path). >>> >>> klaus >> >> >> _______________________________________________ >> Visit our blog: http://blog.pjsip.org >> >> pjsip mailing list >> pjsip at lists.pjsip.org >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > -- Benny Prijono http://www.pjsip.org
