MultiModemDID User Guide | Chapter 4 - AT Commands, |
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Command: %A | Adaptive Answer Result Code Enable |
Values: | n = 0 or 1 |
Default: | 0 |
Description: | The %A command controls whether the DATA and FAX result |
| codes will be sent by the modem. The modem must be in fax |
| mode for this command to work. Also, the modem must be set |
| to +FAA=1, which enables the modem to distinguish between a |
| fax and a data call. When these commands are enabled, the |
| modem sends DATA to the computer when it detects data tones, |
| and FAX when it detects fax tones. These strings are used by |
| some servers to select the appropriate communication program. |
%A0 | Disables adaptive answer result codes. |
%A1 | Enables adaptive answer result codes. |
Note: For descriptions of the +FAA= and other fax commands, see the
Command: | %B | View Numbers in Blacklist |
Values: |
| n/a |
Description: |
| If blacklisting is in effect, AT%B displays the numbers for which |
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| the last call attempted in the previous two hours failed. In |
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| countries that do not require blacklisting, the ERROR result |
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| code appears. |
Command: | %Cn | Data Compression Control |
Values: |
| n = 0 or 1 |
Default: |
| 1 |
Description: | %C0 | Disable sV.42bis/MNP 5 data compression. |
| %C1 | Enables V.42bis/MNP 5 data compression. |
Command: | %DCn | AT Command Control |
Values: |
| n = 0 or 1 |
Default: |
| 0 |
Description: %DC0 The modem responds to AT commands. %DC1 The modem ignores AT commands.
Note: The modem will respond to AT%DC for 10 seconds after it is turned on.
Command: | %En | Fallback and Fall Forward Control |
Values: |
| n = 0, 1, or 2 |
Default: |
| 2 |
Description: | %E0 | Disables fallback and |
| %E1 | Enables fallback, disables |
| %E2 | Enables fallback and |
Command: | %Hn | Direct Connect Enable |
Values: |
| n = 0, 1 |
Default: |
| 0 |
Description: | %H0 | Sets callback security to normal operation. |
| %H1 | All callback security calls will be direct connect regardless of |
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| whether the password or phone number has the - character. |
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