Session Initiation Protocol SIP Panel

1
Session Initiation Protocol (SIP) Panel

• Larry Amiot (Northwestern University), Chair
• Ben Teitelbaum (Internet2)
• Todd Needham (Microsoft)
• Orit Levin (Radvision)

2
How Do We Communicate?

• Telephone (home, work, cell phone)
• Email
• Text messaging
• Data sharing (PowerPoint, applications, white
  board, desktop, etc.)
• Interactive Audio/video
• Real-time/on demand one-way Audio/video
• File transfer
• Ink- tablet PC

3
Questions?

• but how do we know where to find the person we
  want to communicate with
• ...and given the availability of my resources,
  which of the persons devices do I want to
  communicate with
• ..and what is the address of that device
• ..and how does the person control his
  active/inactive devices
• ..and how do we authenticate people
• ..and how do we bridge this between organizations

4
Enter the Session Initiation Protocol (SIP)

• An emerging signaling protocol for
• Initiating,
• Managing, and
• Terminating data, voice, and video sessions
• Connectivity using IP
• May be extended to accommodate features and
  services such as
• call control services,
• mobility,
• presence,
• interoperability with existing telephony systems,
  and
• more