(PSTN). VoIP covers computer-to-computer computer-to-telephone and telephone-based communications. For the sake of compatibility and interoperability a group called the VoIP Forum promotes product development based on the ITU-T H.323 standard to transmit multimedia over the Internet.
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(PSTN). VoIP covers computer-to-computer computer-to-telephone and telephone-based communications. For the sake of compatibility and interoperability a group called the VoIP Forum promotes product development based on the ITU-T H.323 standard to transmit multimedia over the Internet.
