Short for Video-on-Demand, an umbrella term for a wide set of technologies and companies whose common goal is to enable individuals to select videos from a central server for viewing on a television or computer screen. VoD can be used for entertainment (ordering movies transmitted digitally), education (viewing training videos), and videoconferencing(enhancing presentations with video clips). Although VoD is being used somewhat in all these areas, it is not yet widely implemented. VoD’s biggest obstacle is the lack of a network infrastructure that can handle the large amounts of data required by video.
Short for Voice over Instant Messenger, it is a category of products which offer PC-based voice services (VoIP) and also include text-based instant messaging (IM).
- Voice over Internet Protocol (VoIP)
VoIP is short for Voice over Internet Protocol. Voice over Internet Protocol is a category of hardware and software that enables people to use the Internet as the transmission medium for telephone calls by sending voice data in packets using IP rather than by traditional circuit transmissions of the PSTN. One advantage of VoIP is […]
- VoIP Gateway
A network device that converts voice and fax calls, in real time, between the public switched telephone network (PSTN) and an IP network. The primary functions of a VoIP gateway include voice and fax compression/decompression, packetization, call routing, and control signaling. Additional features may include interfaces to external controllers, such as Gatekeepers or Softswitches, billing […]
- VoIP packet loss
VoIP packet loss occurs when a large amount of traffic on the network causes dropped packets. This results in dropped conversations, a delay in receiving the voice communication, or extraneous noise on the call.
VoWiFi is a Wi-Fi based VoIP service. Where VoIP consists of the hardware and software.html that enables people to use the Internet as the transmission medium for telephone calls, VoWiFi is the wireless version of this technology which is designed to work on wireless devices such as a laptop or PDAs.