<communications> (DSVD) A technique supported by some modems for multiplexing compressed speech with digital data for transmission over a normal telephone line.
DSVD isn't standardised yet, so generally you have to have the same make of modem at both ends for it to work.
[How does it work? Which modems? References?]
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Nearby terms: digital signatures « Digital Signature Standard « Digital Simulation Language « Digital Simultaneous Voice and Data » DIGITAL Standard MUMPS » Digital Subscriber Line » Digital Subscriber Line Access Module