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| Troubleshooting |
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Problem | Cause | Remedy |
A call cannot be received. | The connection mode settings of this unit and | A unit in the mesh connection mode cannot |
| the other unit are different. | communicate with a unit in a cascade |
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| connection mode. Set the two units to the |
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| same connection mode (page 27). |
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| The IP/SIP settings of this unit and the other | A unit using the SIP address cannot |
| unit are different. | communicate with a unit using the IP |
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| address. Enable or disable the SIP server |
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| operation as required so that both units use |
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| the same type of address (page 27). |
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| The SIP server is not running. | Consult your system administrator. |
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The audio from the other unit cannot | The microphones are muted on the other | Cancel mute on the other unit. |
be heard. | unit. |
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The audio is interrupted. | The required bandwidth is not reserved. | Check that the bandwidth required for |
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| communication is reserved (page 8). |
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| A network fault occurred. | Wait until the fault is released. |
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| Consult your system administrator. |
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| The LAN cable is not connected properly. | Check that the LAN cable is connected |
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| firmly. |
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Q4: Other problems |
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Problem | Cause | Remedy |
The audio output is delayed. | The required bandwidth is not reserved. | Check that the bandwidth required for |
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| communication is reserved (page 8). |
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The unit generates feedback noises. | The unit is located against a wall. | Locate the unit at a certain distance from a |
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| wall. |
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| An object is placed near this unit. | Avoid placing an object in front of the |
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| microphones. |
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| This unit is used in a room with high | Place objects with high sound absorbance in |
| reverberation. | the room by avoiding the positions in front of |
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| the microphones. |
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| Avoid talking at a loud voice to reduce |
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| reverberations. |
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The password is forgotten. |
| Reset this unit to restore the factory settings |
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| (page 50). |
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INFORMATION | ADDITIONAL |
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English
49