Reference Information
Modem Reference Information
Modem Reference Information
| You can customize the operation of the modem using AT commands and |
| You can do this from Phone and Modem Options in Control Panel, from most |
| communications software, or by using terminal mode in your software. |
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|
Note | You should have a good understanding of modems and how they operate before you |
| change default settings. |
| This section contains summary information about AT commands, |
| |
| selected result codes for the |
| Modem Reference (Conexant) |
| All listed AT commands must be preceded by the characters “AT” (except for the |
| command “A/”). The commands can be entered in upper or lower case. Many |
| commands can be used as queries by entering “?” as the argument. |
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|
| Conexant AT Commands (Advanced Users Only) |
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|
Command | (Conexant) |
|
|
A | Go |
A/ | |
Dn | Dial modifier: |
| W=wait for dial tone; * (“star”); # (“pound sign”); +; !=flash; @=wait for silence; $ or &=wait for credit |
| card dialing tone; ;=return to command state; ‘=dial pause; ^=toggle calling tone. Parentheses, |
| hyphens, and spaces can be used to format dial string and have no other effect. |
E0 | Turn off command echo. |
E1 | Turn on command echo (default). |
H0 | Initiate |
H1 | If |
I0 | Report product code. |
I1 | Report LSB of stored checksum. |
I2 | Report “OK”. |
I3 | Report identification codes. |
I4 | Report product description. |
I5 | Report country code parameter. |
I6 | Report modem data pump model and internal code revision. |
I7 | Report modem data pump model and internal code revision. |
I8 | Report “OK”. |
I9 | Report country. |
Ln | Set speaker volume: 0=off, 1=low (default), 2=medium, 3=high. |
Mn | Activate speaker: 0=off, 1=on during handshaking and off when receiving carrier (default), 2=always |
| on, 3=off when dialing and receiving carrier, on when answering. |
N0 or N1 | Included for compatibility only; returns result code. |