"A hosted PBX system delivers PBX functionality as a service, available over the Public Switched Telephone Network (PSTN) and/or the internet. Hosted PBXs are typically provided by the telephone company, using equipment located in the premises of the telephone company's exchange. This means the customer organization doesn't need to buy or install PBX equipment (generally the service is provided by a lease agreement) and the telephone company can (in some configurations) use the same switching equipment to service multiple PBX hosting accounts..." - Wikipedia.org
voip = voice over internet protocol
The abbreviation VOIP stand Voice Over Internet Protocol. Voice Over Internet Protocol is used in order for people's voices to be transmitted over the internet.
VoIP Voice Over internet Protocol or simply communication over internet networks. It means transmitting voice data using internet.
Voice over Internet Protocol
VOIP.. Voice over internet protocol.
Voice Over Internet Protocol
VOIP means Voice over Internet Protocol. Basically, voice signals traversing over the Internet.
VoIP is Voice Over Internet Protocol a telephone system that uses internet networks instead of telephone networks.
Some ISP offer these kind of phone internet services as well. Check out IVC Telecom. Internet Voice Communication
VoIP ( voice over internet protocol) communication system.
Voice over internet protocol will make voice communications go over the data network. One can find more information on this topic on the official AT&T website.
Voice over Internet Protocol