Goal: replace specialized networks (phone/fax, CATV, ...) Internet as the integrated network

• Real-time transport protocol (RTP)
  • common standard for interactive and streaming audio/video
  • used in Intel videophone and Microsoft NetMeeting
• Signaling (SIP)
  • calling individuals, groups on the Internet
  • integrate "TV Guide" and "telephone" model
  • replace PBX, call centers, local phone switches, long-distance phone network
• Gateways: analog and ISDN