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This project describes the support of Dual Tone Multi-Frequency signalling (DTMF) via the GSM system at the european digital cellular telecommunications system (phase 2).
| Author | DIN |
|---|---|
| Editor | DIN |
| Document type | Standard |
| Format | File |
| ICS | 33.070.50 : Global system for mobile communication (gsm)
|
| Number of pages | 16 |
| Cross references | ETS 300532 (1994-09), IDT |
| Year | 1990 |
| Document history | |
| Country | Germany |
| Keyword | 300532 |