digital telephone
Touchscreen calling device
A digital telephone converts voice signals into digital data rather than transmitting them as analog electrical waves.
The term distinguished newer phone technology from traditional landlines, though nearly all modern telephone systems—including mobile phones and VoIP—now use digital transmission: The office upgraded to digital telephones in the 1990s.
- teleconferencingRemote multi-party communication
- microphoneAudio input device
- codecData compression algorithm
- call centersTelephone-based service facilities
- speakerOne who talks
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