126APPENDIX A: TELEPHONE INSTALLATION AND MAINTENANCE
Cleaning Your | Always unplug your telephone from the power source and from the |
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Telephone | network before you clean it. Use a soft cloth dampened with mild |
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| detergent. |
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| WARNING: Failure to unplug the telephone before you clean it could |
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| result in electrical shock. |
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Troubleshooting | Table 13 lists possible problems that you may encounter and the most |
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Problems | likely solutions. Where possible, each solution refers to the section in this |
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| guide where you can find detailed information. |
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| Table 13 Possible Problems |
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| Possible Problem | Suggested Solutions |
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| My telephone has no dial | ■ Verify that the power cord is fully inserted in the |
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| tone and the display panel | correct connector on the underside of the |
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| is blank. | telephone. Use the strain relief tab to prevent the |
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| cord from becoming unplugged. |
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| ■ Verify that the Ethernet cables are connected and |
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| that each cable is in the proper connection. |
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| ■ Remove and add power to the telephone by |
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| unplugging the power cord at the electric outlet |
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| and plugging it back in. |
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| ■ If the telephone is powered through a powered |
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| Ethernet cable, make sure that power is applied to |
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| the cable at its source. |
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| My telephone has “locked | ■ Your telephone has lost the connection to the |
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| up.” | system. Remove the Ethernet cord from the jack, |
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| and then |
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| ■ Wait a few seconds. If the telephone display panel |
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| still appears to be locked, disconnect the electrical |
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| power for your telephone, and then plug it back in. |
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| Callers cannot leave | Your mailbox may be full. Log in to your voice mailbox |
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| messages on my voice mail. | and delete some messages. |
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| When I dial 9 or 8 to access | No outside lines are available. Try again in a few |
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| an outside line, the display | minutes. |
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| panel shows “All Ports |
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| Busy.” |
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After I call another user in my organization, I hear a tone but no ringing.
The other user may have the Hands Free feature enabled. Begin speaking after you hear the tone. For details, see Using the Hands Free Feature.