Service Providers

termination = outbound calls terminated in the PSTN; origination = inbound call from the PSTN into the SIP network

• Next-generation Telcos survey by Pulver.com
• Gobeam
• MCI Advantage
• ICG VoicePipe
• M5 Net
• Go2Call (free PC-to-phone calls within US and to Canada, UK, Ireland, Germany)
• Interline
• ITXC
• Dialpad, via Java applet
• Net2Phone
  • Average phone call duration: 7.12 minutes
  • 1Q98: 3.8 million minutes,
  • Revenue 2.1 M$ (1Q98)
  • domestic calls: 8c/min
• Red Gap hosted PBX

Hardware

• SIP hardware vendors