Slides, SIP Working Group, IETF 57

• Status, Chairs ppt
  
• Publish, Aki Niemi ppt
  
• Request History and Inserted Security, Mary Barnes ppt
• Caller Preferences, Jonathan Rosenberg ppt
• Parameter Registries, Gonzalo Camarillo ppt 
• Certificates, Cullen jennings, pdf ppt
• Resource Priority, Henning Schulzrinne ppt
• Connection Reuse, Rohan Mayhy ppt