 |
| |||
| 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) | |||
| Английский тезаурус | |||
| |||
| DOV (MODEM); DOV (Telephony) | |||
| DOV | |||
| DIV | |||
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data over voice : 3 фразы в 1 тематике |
| Связь | 3 |