Billion mini USB ISDN TA128
| Error |
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| Possible |
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| Indication |
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| Cause |
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| Remedy |
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| CAPI driver is |
| The Registration key |
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| Uninstall and then reinstall the |
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| not loaded. |
| has been destroyed. |
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| ISDN device. |
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| Please input |
| The subscriber |
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| Key in the subscriber number |
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| your own |
| number of your own |
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| of your ISDN line in the Own |
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| number. |
| ISDN line has not |
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| ISDN Number box. |
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| been entered. |
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| Cannot activate |
| The ISDN line is not |
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| Ensure that the ISDN S0 line is |
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| S0 interface |
| connected. |
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| securely connected to the RJ- |
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| (“ISDN” LED is |
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| 45 jack. |
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| always OFF) |
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| Cannot establish |
| The ISDN line may |
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| Ensure that the ISDN S0 line is |
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| LAPD link. |
| be malfunctioning. |
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| in good condition. |
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| Connecting fail. |
| 1. | Own ISDN |
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| 1. Ensure that your ISDN |
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| (error code = |
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| Number is |
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| number is correct. |
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| incorrect. |
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| xxxx) |
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| 2. | Other devices on |
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| 2. Be sure no other device is |
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| the same S0 line |
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| on the same S0 line and |
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| are occupying the |
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| occupying the B channel. |
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| B channel. |
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| 3. | The ISDN |
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| 3. Check to see if the ISDN |
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| protocol is |
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| protocol configuration is |
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| wrong. |
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| correct. |
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| Data transfer |
| The ISDN line is not |
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| Check the ISDN line. |
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| error. |
| in good condition. |
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