- V.90, V.92 & V.44 ITU standard 56K
- V.34 and backwards compatible protocols
- ax speeds up to 14,400 bit/s, Group III, Class 1
- Data compression V.42bis and MNP 5
- Error correction V.42 LAPM and MNP 4
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- V.90, V.92 & V.44 ITU standard 56K
- V.34 and backwards compatible protocols
- Fax speeds up to 14,400 bit/s, Group III, Class 1
- Data compression V.42bis and MNP 5
- Error correction V.42 LAPM and MNP 4