MultiModemDSVD User Guide 4 AT Commands,
AT Command Summary
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 com- |
|
| mand with AT. Do not press ENTER to execute. |
Command: | Bn | Communication Standard Setting |
Values: |
| n = 0 or 1 |
Default: |
| 1 |
Description: | B0 | Selects |
| B1 | Selects Bell 212A when the modem is at 300 or 1200 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: |
| Dials telephone number s, where s may up to 40 characters |
|
| long and include the following dial string modifiers. |
*The “star” digit (tone dialing only)
#The “pound” digit (tone dialing only)
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 or X4 must be selected.)
, Pause during dialing for time set in register S8.
24