If your company already has an IP-PBX or gateway, this product provides cost-effective outbound Long Distance calls via Session Initiation Protocol (SIP) signaling. You will benefit from MCI Canada’s proven packetized voice framework and the seamless worldwide PSTN/VoIP termination coverage.

Features and Capabilities

• Canada and worldwide PSTN long distance termination via VoIP
  
  
• Excellent call quality
  
  
• Works with any CPEs that are compatible with RFC 3261 (SIP v2)
  
  
• Compatible CODECs are G.711, G.723, G.729 and G.729a
  
  
• FAX friendly: compatible with ITU T.38 and G.711 pass-through
  
  
• NAT friendly: able to navigate various Network Address Translation scenarios