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AT Command Result Codes
This section provides the result codes, also known as status messages, that are displayed after an AT command is issued.
Result codes can be displayed as a word message
General Purpose Codes
Some number codes can be associated with more than one text string, depending on the format selected by ATXn.
Code | Word Message(s) | Description |
0 | OK | The DIVA T/A has successfully executed your command |
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2 | RING | Incoming ringing is detected on the line |
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| RING | Calling number displayed |
| FROM: Calling |
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| RING(cip) called;calling | Called, and calling number displayed |
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3 | NO CARRIER | Attempt to establish a connection failed |
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| Connection ended |
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4 | ERROR | Syntax of command is incorrect |
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| Unable to execute command |
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| Command does not exist |
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| Entered command is outside permitted range |
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+F4 | +FCERROR |
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6 | NO DIALTONE | ISDN not initialized |
| NO CARRIER |
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7 | BUSY | Remote user busy |
| NO CARRIER |
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8 | NO ANSWER | Remote user not responding |
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33 | FAX | Fax call |
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35 | DATA | Data call |
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AT Result Codes - Connection Indicators
The following codes give you information about your connection. The word “CONNECT” in a message can relate to either DCE speed or DTE speed, depending on the selection made with ATXn. The word “CARRIER” always relates to DCE speed.