MultiModemDID User GuideChapter 4 - AT Commands,
AT Commands
Command: | AT | Attention Code |
Values: |
| n/a |
Description: |
| The attention code precedes all command lines except A/ and |
|
| the escape sequence. |
Command: | ENTER Key | |
Values: |
| n/a |
Description: |
| Press the ENTER or RETURN key to execute most commands. |
Command: | A | Answer |
Values: |
| n/a |
Description: |
| Answers an incoming call before the final ring. |
Command: | A/ | Repeat Last Command |
Values: |
| n/a |
Description: |
| Repeats the last command string. Do not precede this |
|
| command with AT. Do not press ENTER to execute. |
Command: | Bn | Communication Standard Setting |
Values: |
| n = |
Default: |
| 1 and 16 |
Description: | B0 | Select |
| B1 | Select Bell 212A when modem is at 1200 bps. |
| B2 | Deselect V.23 reverse channel (same as B3). |
| B3 | Deselect V.23 reverse channel (same as B2). |
| B15 | Select V.21 when the modem is at 300 bps. |
| B16 | Select Bell 103J when the modem is at 300 bps. |
Command: | Ds | Dial |
Values: |
| s = dial string (phone number and dial modifiers) |
Default: |
| none |
Description: |
| Dial telephone number s, where s may up to 40 characters long |
|
| and include the |
P, T, W, S, comma (,), semicolon (;), !, @, ^ and $ dial string modifiers.
Dial string modifiers:
LRedial last number. (Must be placed immediately after ATD.) P Select
and subsequent dialing.
T Select
W Wait for a new dial tone before continuing to dial. (X2, X4, X5, X6, or X7 must be selected.)
, Pause during dialing for time set in register S8.
; Return to command mode after dialing. Place at end of dial string.
! Hook flash. Causes the modem to go
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