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| fernsprechüberlagerte Daten; dem Sprachband überlagerte Datenübermittlung (Centrex service attribute, data rate typically 19.2 kbit/s; at 40 kHz carrier frequency in DTAG TEMEX and public phonecard telephones) | |||
| English thesaurus | |||
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| DOV | |||
| DIV | |||
| DOV (MODEM); DOV (Telephony) | |||
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Data Over Voice : 3 phrases in 1 subject |
| Communications | 3 |