MultiModemDID User Guide |
| Chapter 4 - AT Commands, |
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Command: | T | Tone Dialing |
Values: |
| P, T |
Default: |
| T |
Description: |
| Configures the modem for DTMF |
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| digits are tone dialed until a P command or dial modifier is |
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| received. |
Command: | Vn | Result Code Format |
Values: |
| n = 0 or 1 |
Default: |
| 1 |
Description: | V0 | Displays result codes as digits (terse response). |
| V1 | Displays result codes as words (verbose response). |
Command: | Wn | Result Code Options |
Values: |
| n = 0, 1, 2 |
Default: |
| 2 |
Description: | W0 | CONNECT result code reports serial port speed, disables |
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| protocol result codes. |
| W1 | CONNECT result code reports serial port speed, enables |
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| protocol result codes. |
| W2 | CONNECT result code reports line speed, enables protocol |
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| result codes. |
Command: | Xn | Result Code Selection |
Values: |
| n = |
Default: |
| 4 |
Description: | X0 | Basic result codes (e.g., CONNECT); does not look for dial |
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| tone or busy signal. |
| X1 | Extended result codes (e.g., CONNECT 46000 V42bis); does |
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| not look for dial tone or busy signal. |
| X2 | Extended result codes with NO DIALTONE; does not look for |
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| busy signal. |
| X3 | Extended result codes with BUSY; does not look for dial tone. |
| X4 | Extended result codes with NO DIALTONE and BUSY. |
| X5 | Extended result codes with NO DIALTONE and BUSY. |
| X6 | Extended result codes with NO DIALTONE and BUSY. |
| X7 | Basic result codes with NO DIALTONE and BUSY. |
Command: | Zn | Modem Reset |
Values: |
| n = 0 or 1 |
Default: |
| None |
Description: | Z0 | Resets modem to profile saved by the last &W command. |
| Z1 | Same as Z0. |
Command: | &Cn | Data Carrier Detect (DCD) Control |
Values: |
| n = 0, 1, or 2 |
Default: |
| 1 |
Description: | &C0 | Forces the DCD circuit to be always high. |
| &C1 | DCD goes high when the remote modem’s carrier signal is |
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| detected, and goes low when the carrier signal is not detected. |
| &C2 | DCD drops on disconnect for time set by S18, then goes high |
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| again (for some PBX phone systems). |
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