Appendix A. AT Commands and
Changing a String S-Register
Type ATSS followed by the number of the string
ATSS80=5551212
Dialing a Call using the AT Command Processor
To dial a call using the DTE terminal and AT commands, type ATD, ATDT, or ATDP and the telephone number on one line and press Enter.
ATD5551212
To end an active call with the AT command processor, press the break in key sequence +++ or the redefined key then type ATH and press Enter to hang up the line.
Command | Function |
A | Answer. Places the Express XRT in answer mode. |
AT!DATE | Current date in the format of DDMMYY. |
AT!FLASHLOAD Initiate the flash software update. The terminal must be set for 57,600 bps, 8 data bits, no parity, and 1 stop bit.
AT!NAME1 | Displays the Calling Party name from the last call on |
| PORTS port 1. |
AT!NAME2 | Displays the Calling Party name from the last call on |
| POTS port 2. |
AT!NUMBER1 | Displays the Calling Party number from the last call |
| on POTS port 1. |
AT!NUMBER2 | Displays the Calling Party number from the last call |
| on POTS port 2. |
AT!S | Displays Status Buffer. |
AT!S1 | Displays Link Status |
AT!TIME | Current time in the format of HHMMSS. |
AT!V | Configuration Menu |
AT!Z | Detect a modem connected to the Express XRT |
DDial. Precedes the telephone access number [ATD5551212].
H | Hang up. Disconnects the current call. |
Express XRT User Guide | 59 |