Lenovo ThinkPad A20p TP A20 - User's Reference Supplement Guide html format - Page 6
Using the telephony features of the built-in modem
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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
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