VoIP glossary - H
The HipTel VoIP dictionary (VoIP glossary) was created to help our users understand common VoIP terminology. Use the search feature to look up VoIP terms, or look up terms alphabetically. Have a question, still unsure what something means? Feel free to
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H.323 — H.323 is a protocol set by the International Telecommunication Union. It is commonly used for IP applications such as IP telephony and videoconferencing. H.323 enables audio and visual communication by standardizing protocols across all networks. Allowing audio-visual communication between any packet network.
Half Duplex — Refers to the transmission of data in one direction followed by the other direction. Walkie-talkies and CB radios are a good example. Only one person can talk while the other listens. Half duplex differs from full duplex, where both parties can talk and listen simultaneously.
Hertz — The term hertz means per second. Therefore 100 hertz equals 100 per second. It is a measure of frequency used to count the number of cycles per second in waveform.
Hub — A hub is a device used to connect multiple wires together, which in term connects multiple computers together. A router, which is commonly used in consumer homes to split Internet connections to multiple computers, is a form of hub. It connects all computers in the network together creating a local area network (LAN).
