AT command set result codes
The following table shows the result codes.
The result code summary
Result Code | Numeric | Description |
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OK | 0 | Command executed |
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CONNECT | 1 | Modem connected to line |
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RING | 2 | A ring signal has been |
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| detected |
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NO CARRIER | 3 | Modem lost carrier signal, or |
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| does not detect carrier |
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| signal, or does not detect |
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| answer tone |
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ERROR | 4 | Invalid command |
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CONNECT 1200 EC*1 | 5 | Connection at 1200 bps |
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NO DIAL TONE | 6 | No dial tone detected |
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BUSY | 7 | Busy signal detected |
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NO ANSWER | 8 | No quiet answer |
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CONNECT 2400 EC*1 | 10 | Connection at 2400 bps |
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CONNECT 4800 EC*1 | 11 | Connection at 4800 bps |
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CONNECT 9600 EC*1 | 12 | Connection at 9600 bps |
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CONNECT 14400 EC*1 | 13 | Connection at 14400 bps |
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CONNECT 19200 EC*1 | 14 | Connection at 19200 bps |
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CONNECT 7200 EC*1 | 24 | Connection at 7200 bps |
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CONNECT 12000 EC*1 | 25 | Connection at 12000 bps |
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CONNECT 16800 EC*1 | 86 | Connection at 16800 bps |
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CONNECT 300 EC*1 | 40 | Connection at 300 bps |
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CONNECT 21600 EC*1 | 55 | Connection at 21600 bps |
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CONNECT 24000 EC*1 | 56 | Connection at 24000 bps |
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CONNECT 26400 EC*1 | 57 | Connection at 26400 bps |
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CONNECT 28800 EC*1 | 58 | Connection at 28800 bps |
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CONNECT 31200 EC*1 | 59 | Connection at 31200 bps |
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User’s Manual |