Toshiba Satellite Pro S850 Series User Manual page 162

Built-in Modem
This information is applicable to the models equipped with a built-in
modem.
Network control unit (NCU)
Type of NCU
Type of line
Type of dialing
Control command
Monitor function
Communication specifications
Communication system
Communication
protocol
User's Manual
AA
Telephone
line (analog
only)
Pulse
Tone
AT
commands
EIA-578
commands
Computer's
speaker
Data: Full duplex
Fax: Half duplex
Data
ITU-T-Rec V.21/V.22/V.22bis/V.32/V.
32bis/V.34/V.90
(Former
CCITT)
Bell 103/212A
Fax
ITU-T-Rec V.17/V.29/V.27ter/V.21 ch2
(Former
CCITT)
A-2