Lenovo ThinkPad T520 (English) User Guide - Page 82

Table 3. Modem command list (continued) Command Description Syntax D Dial D T Set Tone Dial Default T P Set Pulse Dial Default P A Answer A H Disconnect (Hang-Up) H[] O Return to On-Line Data O[] Mode L Speaker Volume L[] 64 User Guide Values 0 - 9: DTMF digits 0 to 9. A - D: DTMF digits A to D. L: Redial last number. P: Select pulse dialing. T: Select tone dialing. W: Wait for dial tone. *: The "star" digit. # : The "gate" digit. !: Flash. @: Wait for silence. $: Wait for credit card dialing tone before continuing with the dial string. &: Wait for credit card dialing tone before continuing with the dial string. ,: Dial pause. ;: Return to command state. ^: Toggle calling tone enable or disable. (), -, : Ignored. 0: The modem will release the line if the modem is currently on-line. 1: If on-hook, the modem will go off-hook and remain in command mode. 0: Enter on-line data mode from the on-line command mode without a retrain. 1: Performs a retrain then enter on-line data mode from the on-line command mode. 0: Off 1: Low volume 2: Medium volume 3: High volume