Multi-Tech Systems MT4X56USB - Manual (Page 48)

MultiModemUSB User Guide
MT4X56USB 48
Command: +++AT<CR> Escape Sequence
Values:
n/a
Description: Puts the modem in command mode (and optionally issues a command) while remaining online.
Type +++AT and up to ten command characters, then press ENTER. Used mostly to issue the
hang-up command: +++ATH<CR>.
Command: %%%AT<CR>Remote Configuration Escape Sequence
Values:
n/a
Description: Initiates remote configuration mode while online with remote modem. The remote configuration
escape character (%) is defined in register S13.