On Mon, Feb 11, 2019 at 02:28:51PM +1300, David Cunningham wrote: > Thank you. This is where I easily get mixed up, because an ACK sounds like > it should be a reply to the 200 OK.
That's understandable. And ACKs are, of course, unusual. But they are certainly requests in their own right, not replies. -- Alex Balashov | Principal | Evariste Systems LLC Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) Web: http://www.evaristesys.com/, http://www.csrpswitch.com/ _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors