I am the assigned Gen-ART reviewer for this draft. For background on Gen-ART, please see the FAQ at http://wiki.tools.ietf.org/area/gen/trac/wiki/GenArtfaq . Please wait for direction from your document shepherd or AD before posting a new version of the draft. Document: draft-ietf-sipcore-rfc4244bis-callflows-06.txt (Informational) Reviewer: Brian Carpenter Review Date: 2013-10-04 IETF LC End Date: 2013-09-27 IESG Telechat date: 2013-10-10 Summary: Ready -------- Comment: -------- The writeup says "It was difficult to get adequate reviews of this document." I'd say that goes for this whole class of documents. Reviewing the details of SIP call flows is not for ordinary mortals. I have not checked the call flows, and I think we have to trust the WG on this. But our experience (the flows in RFC4244 being buggy, for example), makes me wonder about the wisdom of publishing future documents like this under the RFC "brand". Maybe they should just be put on a wiki somewhere, and fixed as bugs are found. The small amount of narrative text is well written. For the record, I ballotted 'No Objection' on RFC4244 in 2005.