> Can multiple Via header be present in initial INVITE request ? No; however "initial" is relative. A device can have an internal proxy. Thus the first INVITE observed externally might have more than 1 Via entry.
> I mean to say when first time INVITE request is generated > from UAC without traversing any PROXY can contain multiple > Via header ? See above. > If yes then what is the need of having multiple Via header > in initial INVITE request? The internal proxy might provide services, transports, and etcetera desired by client. I'm not defending the practice; I'm only indicating that vendors may occasionally get creative. _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
