Last Call Review of draft-ietf-cuss-sip-uui-10

Request Review of draft-ietf-cuss-sip-uui
Requested rev. no specific revision (document currently at 17)
Type Last Call Review
Team General Area Review Team (Gen-ART) (genart)
Deadline 2013-05-29
Requested 2013-05-16
Authors Alan Johnston, James Rafferty
Draft last updated 2013-05-19
Completed reviews Genart Last Call review of -10 by Joel Halpern (diff)
Genart Telechat review of -14 by Joel Halpern (diff)
Secdir Last Call review of -10 by Scott Kelly (diff)
Opsdir Telechat review of -14 by Jouni Korhonen (diff)
Assignment Reviewer Joel Halpern 
State Completed
Review review-ietf-cuss-sip-uui-10-genart-lc-halpern-2013-05-19
Reviewed rev. 10 (document currently at 17)
Review result Almost Ready
Review completed: 2013-05-19


I am the assigned Gen-ART reviewer for this draft. For background on
Gen-ART, please see the FAQ at


Please resolve these comments along with any other Last Call comments
you may receive.

Document: draft-ietf-cuss-sip-uui-10
    A Mechanism for Transporting User to User
        Call Control Information in SIP
Reviewer: Joel M. Halpern
Review Date: 19-May-2013
IETF LC End Date: 29-May-2013
IESG Telechat date: N/A

Summary: This document is nearly ready for publication as a Proposed 


Major issues:

Minor issues:

    The requirements discussions for redirection and referral (second 

paragraph of section 3, in regards REQ-3) includes what appears to be 

normative requirements on redirecting devices.

a) This would seem to belong in section 4 on Normative Definition.

b) It would seem that there ought to be some discussion of what happens 

with redirecting devices that do not understand this new UUI. (I presume 

things work, but I don't see how.)

Nits/editorial comments:

    In section 8.2, given that this is a WG document, should the "the 

authors believe" actually be "the WG believes"?  Or even, given IETF 

rough consensus on this document, "the IETF believes"?