> 1.can SUBSCRIBE/REFER create dialog? Yes; see RFC 6665 and RFC 3515.
> 2.Is INVITE the only method creates a dialog? No; see RFC 6665 and RFC 3515. > 3.pseudo dialog corresponds only to REGISTER? The term "pseudo dialog" is an informal description of how RFC 3261 section 10 indicates to reuse the same Call-ID with higher CSeq when refreshing the binding. As far as I know, no other request has been defined to reuse the same Call-ID outside of dialog similar to REGISTER. > 4.If REGISTER is not creating dialog then what is the > importance of TO, FROM and call-id in REGISTER message? See RFC 3261 section 10.2. _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
