We offer licensing of our proprietary software implementation to integrate in your systems:
- ISDN protocols and CAPI interface;
- Fax and modem modulation and demodulation algorithms;
- Fax and voice logging;
- Voice compression;
- Echo cancellation;
- Fax over IP;
- Voice over IP.
Fax G3 and Fax over IP:
- Fax modulation and demodulation: V.8, V.21, V.27ter, V.29, V.17, V.33, V.34 half-duplex;
- Error correction: ECM;
- Compression: T.4, T.6 and T.85;
- T.38 and H.323 gateway .
Data Modem:
- Modem modulation and demodulation: V.8, V.21, V.22, V.22bis, V.23 full-duplex, V.23 half-duplex, V.32, V.32bis, V.34, V.90 digital modem;
- Error correction: V.42;
- Compression: V.42bis, V.44.
Line Echo Canceller (LEC):
- Portable C code;
- Adaptive line voice echo detection and cancellation;
- Detection and estimation of round-trip delay on the fly;
- Resynchronization on change of round-trip delay;
- Meets the G.165 requirements;
- Max echo delay 2 sec;
- Max echo impulse response length 16 ms;
- Echo detection and adaptation time <1s in majority of calls.
Voice Activity Detector (VAD)
- Portable C code;
- Anti-bouncing algorithm is include.
Audio compression:
- G.711 including addendum for packet loss concealment;
- G.729 A;
- G.723.1.