Depending on the implementation, option one is also correct as PCSCF is considered as the outbound proxy whose address is not specified in the Route header. But the basic point is, if UE does not know the path to SCSCF, it can send the message to its outbound proxy i.e. PCSCF which knows how to forward the message to calling party home network.
On 9/3/07, Goyal, Amit <[EMAIL PROTECTED]> wrote: > Hi, > > > > In IMS environment if we get 200 OK for REGISTER without Service-Route, > Then what should be the Route set for out going INVITE ? > > > > 1. No Route > > OR > > 2 Route with only P-CSCF Address > > > > Or something else. > > > > Regards, > > Amit > > _______________________________________________ > 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
