... l Data modulation rate: a) V. 34bis, V. 34+, ITU-T V. 34 b) V. 32bis, V. 32, V. 22bis, V. 22 and Bell 212A c ... ) ITU-T V. 23, V. 21 and ... compatible fax machines / modems l ITU-T V. 17, V. 29, V. 27 TER V. 21 channel 2300 l 14400, 9600, ... auto answer l Fully compliant with V. 90, V. 34 bits, V. 32, V. 32 and V. 22 bits l Compatible with ...