At Commands - IBM Aptiva Series Handbook

AT commands

Table 10: AT commands
Command
B-6 Appendix B: Modem information
Function
Answers incoming call
Repeats the last command given. Note: Do not precede by AT or follow by Enter
ITU/CCITT mode @ 1200 bps
Bell mode @ 1200 bps
ITU/CCITT mode @ 300 bps
Bell mode @ 300 bps
0-9, A-D, # and *
L = last number redial
P = pulse dial
T = tone dial
W = wait for second dial tone
V = switch to speakerphone mode
, = pause
@ = wait for five seconds of silence
! = flash
;= return to command mode after dialing
Dials one of four stored telephone numbers (n=0-3) in the modem's nonvolatile memory
Commands echo disabled
Commands echo enabled
Escape characters - switch from data mode to command mode