Technical data
- Dual-CLIP: FSK, DTMF (NL, DK)
- Dial mode: touch tone (DTMF)
- Flash key, switchable (100ms/240ms)
- Message Waiting Indicator*: FSK, polarity reversal, increased voltage, special call signal
- Line feed (no external power supply or batteries needed)
- For analogue connection according to ETSI ES 203021
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