What is Voice over Internet Protocol (VoIP)? Is a family of transmission technologies for delivery of voice communications over IP networks such as the Internet or other packet-switched networks.

AddPac AP-VC200(Video Conference, VoIP Telephony, Audio/Video Broadcasting, VoD Service)

AddPac Video Conference Series AP-VC200 (Video Conference, VoIP Telephony, Audio/Video Broadcasting, VoD Service) 4M Pixel Camera VGA (640x480) VoIP Interface(FXS, FXO)...

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