
| VisuaLink 128/384 User Guide | Chapter 9 | |
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| Area | Condition | Check Item and Countermeasures |
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| [When placing a call, the line immediately hangs up] |
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| ∙ Make sure the network is connected.? |
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| ∙ The line could be busy. Please try later. |
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| ∙ Verify the line conditioning setting match that for the VL. |
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| [Line disconnects a few seconds/minutes after placing a call] |
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| ∙ The line could be busy. Please try later. |
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| ∙ Remote equipment could be turned OFF. |
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| ∙ Verify the number called. |
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| Unable to connect to a | [The line is disconnects during communication] |
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| ∙ Failure could have occurred on the line, which has caused the line to | |
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| remote site | disconnect. Please try connecting again. |
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| [Voice and picture are not received after connecting] |
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| ∙ A line failure has occurred. Please disconnect and replace the call. |
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| ∙ A communication protocol failure with the remote address has occurred. |
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| Please disconnect, power OFF and ON the equipment to clear the | |
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| status. Please try connecting again after the status has cleared. |
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| [There are random errors with the voice and picture] |
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| ∙ If a line error or a equipment failure occurs during communication, noise |
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| in audio and/or error in picture may occur. Please disconnect once and |
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| reconnect. |
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| [ISDN is not present] |
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| ∙ Check the ISDN line connection. The VisuaLink has a S/T interface and |
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| If after everytime you try to | requires an NT12 to be connected between the VisuaLink and your ISDN |
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| line unless the VisuaLink is connected to a PBX. | |
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| dial a call, the system | |
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| ∙ Make sure the ISDN cable to the system is securely attached. | |
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| immediately ask you to | |
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| redial | ∙ SPID and/or ISDN number entered incorrect |
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| ∙ Check the Local Line setting |
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| ∙ Run a Local Line loopback from the maintenance settings. |
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| If you can make calls to | [ISDN provisioning] |
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| some sites but not others. | ∙ Need to confirm ISDN provision from the Teleco. |
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