Changes from 01 version (4 of 4) Session keep-alive has been clarified. Use of SETUP and TEARDOWN in play state is optional and has option tag. CSeq must now be increased by one for each message. Header table is updated: Split into two parts to fit the specification Allow has been updated to be possible to use in request State machine has been corrected on a couple of places Accept-Ranges added NAT and Firewall chapter initiated |