Slides, SIP WG, IETF 58

1. Agenda and Status, by Chairs ppt
2. RFC3312 update, Gonzalo Camarillo, ppt
3. Non-Invite Transactions, Robert Sparks ppt
4. Publish, Aki Niemi pdf
5. GRUU, Jonathan Rosenber, ppt
6. Request History, Mary Barnes ppt
7. Refer Semantics, Rohan Mahy, ppt