January 23, 2018


Commander Smart SIP carries calls from your IP PBX over the Internet to the public switched telephone network (PSTN). Smart SIP can be delivered over any Internet service whether supplied by Commander or another service provider. Commander also has a range of very cost effective Dedicated Access plans for delivering SIP Trunks over a separate dedicated voice link.

What is Commander Smart SIP?
SIP (or Session Initiation Protocol) – also known as SIP trunking. Commander Smart SIP is our smart, flexible and cost-effective replacement for traditional ISDN. It connects your IP enabled PBX to the Public Switched Telephone Network (PSTN) via Commander using IP networks rather than traditional phone lines.


  • Quick to connect and Easy to manage online
  • Make changes anytime, anywhere from any Internet enabled device
  • Built-in business continuity and disaster recovery
  • Easy to relocate and you can keep your local numbers without expensive exchange based diversions

Click for Rates sheets (Adobe PDF)