As a phone line replacement, SIP trunks require an IP‐PBX, PBX, or Key Telephone System already in place. A “network ready” IP‐PBX will use our SIP trunks directly by subscribing to our intelligent VoIP network through the Internet. We simply enter our network authentication information into your IP‐PBX and it will instantly subscribe to however many SIP trunks and DID telephone numbers you
have on your account. Since your IP‐PBX is already connected to the Internet through your office’s Local Area Network, nothing else is required.
A traditional PBX that is not “network ready” can also subscribe to our SIP trunks and DID telephone numbers, but it requires the use of a VoIP gateway. The VoIP gateway acts as a static bridge between your traditional PBX system and our intelligent VoIP network. The VoIP gateway plugs into your office’s Local Area Network and is permanently connected to the Internet and subscribed to our network. Your PBX phone system then physically plugs into the VoIP gateway using the same lines that connected the PBX to your previous common carrier. Under these guidelines, your PBX requires no programming or configuration. The pre‐programmed VoIP gateway handles everything for you.