
| MultiModemDID User Guide | 
 | Chapter 4 - AT Commands,  | 
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| Command: | \Nn | Error Correction Mode Selection | 
| Values: | 
 | n =  | 
| Default: | 
 | 3 | 
| Description: | \N0 | |
| 
 | 
 | same as &Q6). | 
| 
 | \N1 | Direct mode. | 
| 
 | \N2 | MNP reliable mode. If the modem cannot make an MNP | 
| 
 | 
 | connection, it disconnects. | 
| 
 | \N3 | V.42/MNP  | 
| 
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 | connect in V.42 error correction mode, then in MNP mode, and | 
| 
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 | finally in  | 
| 
 | 
 | operation. | 
| 
 | \N4 | V.42 reliable mode. If the modem cannot make a V.42 | 
| 
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 | connection, it disconnects. | 
| 
 | \N5 | V.42, MNP, or  | 
| 
 | \N7 | V.42, MNP, or  | 
| Command: | \Qn | Flow Control Selection | 
| Values: | 
 | n = 0, 1, or 3 | 
| Default: | 
 | 3 | 
| Description: | \Q0 | Disables flow control (same as &K0). | 
| 
 | \Q1 | XON/XOFF software flow control (same as &K4). | 
| 
 | \Q2 | |
| 
 | \Q3 | RTS/CTS hardware flow control (same as &K3). | 
| Command: | \Tn | Inactivity Timer | 
| Values: | 
 | n = 0,  | 
| Default: | 
 | 0 | 
| Description: | \Tn | Sets the time (in minutes) that the modem waits after the last | 
| 
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 | character is sent or received before it disconnects. A value of | 
| 
 | 
 | zero disables the timer. Applies only in buffer mode. | 
| Note: You can also set the inactivity timer by changing the value of S30. | ||
| Command: | \Vn | Protocol Result Code | 
| Values: | 
 | n = 0, 1, or 2 | 
| Default: | 
 | 1 | 
| Description: | \V0 | Disables the appending of the protocol result code to the DCE | 
| 
 | 
 | speed. | 
| 
 | \V1 | Enables the appending of the protocol result code to the DCE | 
| 
 | 
 | speed. | 
| 
 | \V2 | Same as \V1. | 
| Command: | \Xn | XON/XOFF  | 
| Values: | 
 | n = 0 or 1 | 
| Defaults: | 
 | 0 | 
| Description: | \X0 | Modem responds to and discards XON/XOFF characters. | 
| 
 | \X1 | Modem responds to and passes XON/XOFF characters. | 
| Command: | Data Calling Tone | |
| Values: | 
 | n = 0 or 1 | 
| Defaults: | 
 | 0 | 
| Description: | Disables V.25 data calling tone to deny remote data/fax/voice | |
| 
 | 
 | discrimination. | 
| 
 | Enables V.25 data calling tone to allow remote data/fax/voice | |
| 
 | 
 | discrimination. | 
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