Appendix D. Manual modem commandsThe following section lists commands for manually programming your modem.Commands are accepted by the modem while it is in Command Mode. Yourmodem is automatically in Command Mode until you dial a number and establisha connection. Commands may be sent to your modem from a PC runningcommunication software or any other terminal devices.All commands sent to the modem must begin with AT and end with ENTER. Allcommands may be typed in either upper or lower case, but not mixed. To makethe command line more readable, spaces may be inserted between commands. Ifyou omit a parameter from a command that requires one, it is just like specifying aparameter of 0.Example:ATH [ENTER]Basic AT commandsIn the following listings, all default settings are printed in bold text.Command FunctionA Manually answer incoming call.A/ Repeat last command executed. Do notprecede A/ with AT or follow with ENTER.D_ 0 - 9, A-D, # and *L last number redialP pulse dialingNote: Pulse dialing is not supported forAustralia, New Zealand, Norway, and SouthAfrica.T touch-tone dialingW wait for second dial tone, pause@ wait for five seconds of silence! flash; return to Command Mode after dialingDS=n Dial one of the four telephone numbers(n=0-3) stored in the modem non-volatilememory.E_ E0 Commands are not echoedE1 Commands are echoed+++ Escape Characters - Switch from Data Modeto Command Mode (T.I.E.S. Command)H_ H0 Force modem on-hook (hang up)© Copyright IBM Corp. 2004 49
