IP PBX, SIP and VoIP FAQ

An IP PBX is a software based PBX, that provides audio, video and instant communication through the TCP/IP protocol for the internal network, and it connects this internal network with the PSTN for telephony communication. IP PBXs use VoIP technologies that converts the analog voice signal into digital data packets, that can be transmitted over IP networks in contrast to the traditional PBXs, which used the traditional phone networks. For more information about VoIP, VoIP Gateway and SIP visit the following page: Frequently asked questions about VoIP

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