1) ITU-T V9.2/90 56,000bps

2) Hayes AT command compatible

3) 56,000/33,600 Data Download/Transmit

4) Support voice function

5) Full Duplex Speakerphone

6) Support video conferencing

7) Support V.17, V.29 and V.27ter Group3 fax

8) Data compression V.42/MNP5

9) Error correction V.42/MNP2-4

10) Fax command set Class 1

11) Auto diagnostics