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IP PBX /
Asterisk Hardware
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The IP PBX can be thought of as the brains of a voice over IP phone system. An IP PBX (phone
server) is a device that controls the extensions, call routing, connections to voice over IP service providers and the
Public Switched Telephone Network (PSTN). The IP phones, analog adapters & IP gateways communicate with the IP
PBX to place or receive calls.
Asterisk is the most popular open source IP PBX in the world. Many
variations of Asterisk are now available such as trixbox, AsteriskNOW, CentPBX and
elastix that can provide advantages and disadvantages over the original
Asterisk. These IP PBX's can be loaded on to personal computers or business
servers to build a feature rich, business grade voice over IP phone system. This section of our store
contains hardware interfaces for IP PBX's from various manufacturers.
There are four main types of interfaces on an IP PBX, FXS, FXO, T1/E1 and Ethernet. An FXS interface is used to connect analog telephones or faxes to the IP PBX.
An FXO interface is used to connect analog telephone lines to the IP PBX. A T1/E1 interface is used to connect
the IP PBX to high speed, ultra-reliable internet connections. Ethernet interfaces are used to connect an IP PBX to the local area network (LAN).
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