SIP Products -Interoperability List

  • 3Com
  • Mitel
  • Alcatel
  • Nokia
  • Asterisk Based Systems
  • Avaya
  • Pingtel
  • Cisco CM5X/6X
  • ShoreTel
  • Digium
  • Siemens

If you desire interoperability testing be performed with any other systems please advise and we will try to accommodate your request.