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| Troubleshooting Your Phone |
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Displays |
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Symptom | Problem | Corrective Action |
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There is no display. | Power is not correctly applied to | Do one of the following: |
The display is incorrect. | the SoundPoint IP 450 phone. | • Check that the screen is illuminated. |
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The display has bad contrast. |
| • Make sure the LAN cable is inserted |
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| properly at the back of the phone (try |
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| unplugging and |
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| cable). |
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| • If using Power over Ethernet (PoE), |
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| have your system administrator check |
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| that the switch is supplying power to |
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| the phone. |
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| • Use the screen capture feature. |
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| Contact your system administrator to |
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| determine if it is enabled. |
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| The contrast needs adjustment. | Do one of the following: |
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| • Refer to Changing the Backlight |
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| Brightness on page 74. |
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| • Reboot the phone to obtain a default |
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| level of contrast. |
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| • Use the screen capture feature. |
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| Contact your system administrator to |
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| determine if it is enabled. |
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| Outbound or inbound calling is | Do one of the following: |
| unsuccessful. | • Place a call to the phone under |
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| investigation. Check that the screen |
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| indicates incoming call information. |
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| • Lift the handset. Ensure the dial tone |
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| is present and place a call to another |
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| extension or number. Check that the |
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| screen changes in response. |
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| • Use the screen capture feature. |
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| Contact your system administrator to |
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| determine if it is enabled. |
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The display flickers. | A certain type of older | Do one of the following: |
| fluorescent lighting causes the | • Move the Polycom SoundPoint IP 450 |
| display to appear to flicker. | |
| User Guide 450 SIP phone away from | |
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| the lights. |
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| • Replace the lights in your work |
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| environment. |
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| • Use the screen capture feature. |
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| Contact your system administrator to |
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| determine if it is enabled. |
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