IP PBX, SIP & VOIP FAQ
An IP PBX or VOIP phone system replaces a traditional PBX or phone system and gives employees an extension number, the ability to conference, transfer and dial other colleagues. All calls are sent via data packets over a data network instead of the traditional phone network. With the use of a VOIP gateway, you can connect existing phone lines to the IP PBX and make and receive phone calls via a regular PSTN line. Companies are switching their traditional phone systems / PABX systems to a VOIP phone system / IP PBX at a staggering rate: IP Telephony equipment sales are increasing each year by more than 50% and are expected to reach $15 billion yearly by end 2007.
The IP PBX FAQ helps answer common questions about VOIP, SIP, IP PBX / VOIP Phone System hardware & Software, implementation and more.
IP PBX, SIP & VOIP common questions 
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