|
| 4 AT Commands, |
AT Command Summary | ||
Command: | AT | Attention Code |
Values: |
| n/a |
Description: |
| The attention code precedes all command lines except A/, 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: |
| Answer an incoming call before the final ring. |
Command: | A/ | Repeat Last Command |
Values: |
| n/a |
Description: |
| Repeat 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: | Cn | Carrier Control |
Values: |
| n = 1 |
Default: |
| 1 |
Description: C0 Transmit carrier always off. (Not supported.) | ||
| C1 | Normal transmit carrier switching (included for backward |
|
| compatibility with some software). |
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, V, W, S, comma (,), semicolon (;), !, @, ^ and $ dial string |
|
| modifiers. |
Dial string modifiers:
LRedial last number. (Must be placed immediately after
ATD.)
P
T
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