Lenovo ThinkPad A20p TP A20 - User's Reference Supplement Guide html format - Page 6

Using the telephony features of the built-in modem

The built-in modem has the following telephony features:

Industry Standard modem support up to 56 Kbps:

±

Data protocols

–

Bell 103 (300 bps)

–

Bell 212A (1200 bps)

–

V.21 (300 bps)

–

V22bis (2400 bps)

–

V.34bis (33600, 31200 bps)

–

V.34 (28800, 26400, 24000, 21600, 19200, 16800, 14400, 12000, 9600, 7200, 4800 bps)

–

V.90 (downstream only)

±

Error correction protocols

–

MNP2-4 (Microcom error correction)

–

V.42 (error-correcting procedures for DCEs using asynchronous automatic dialing and

control)

±

Data compression protocols

–

V.42bis (DCE data compression)

–

MNP5 (Microcom data compression)

±

Miscellaneous protocols

–

V.8 (startup sequence)

–

V.90 (video phone)

6

Lenovo ThinkPad A20p TP A20 - User's Reference Supplement Guide html format - Page 6

Using the telephony features of the built-in modem

Page 6 highlights