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Frequency-Modulated Voice-Frequency Telegraph Softmodem implements Frequency Shift Keying (FSK) multi-tone modem according to ITU-T V.23, R.35, R.36, R.37 and R.38 recommendation. FMVFT modem provides 24 channels at 50 bit/s, 12 channels at 100 bit/s, 6 channels at 200 bit/s or 1 channel at 1200 bit/s data rate, any combination of different data rate channels at non overlapping frequencies is also available.
Features:
- 16-bit 8 KHz sampled data
- Re-entrant, relocatable, multi-channel capable code
- Optimized C code, C-callable API
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