A Telephone is a commercially available electronic product whose primary purpose is to transmit and receive sound over a distance using a voice or data network.
|List Options||Option Definition||Unit of Measure|
|Analog telephone||A Telephone or component of a Telephone system that ultimately converts sound into analog waveforms for transmission through the Public Switched Telephone Network (PSTN).||None|
|Voice over internet protocol||A Voice over Internet Protocol (VoIP) Telephone is a telephone or component of a Telephone system that converts sound into Internet Protocol data packets for transmission through an Ethernet connection.||None|
|Hybrid||A Telephone or component of a Telephone system that has the ability to ultimately convert sound into both analog waveforms for transmission through the PSTN and Internet Protocol data packets for transmission through an Ethernet connection.||None|
|Cellular||A Telephone that converts sound into multiple-access (e.g., Code-Division Multiple Access (CDMA), Global System for Mobile Communications (GSM), and fourth generation long term evolution (4G LTE)) packets for transmission through a cellular network.||None|
|Not applicable||Not applicable||None|
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