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  | Troubleshooting Your Phone  | 
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Controls | 
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Symptom | Problem  | Corrective Action  | |
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The dial pad does not work.  | The dial pad on the  | Do one of the following steps:  | |
  | Polycom CX700 IP phone does  | • Check for a response from other  | |
  | not respond.  | ||
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  | feature keys or from the dial pad.  | |
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  | • Place a call to the phone from a known  | |
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  | working telephone. Check for display  | 
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  | updates.  | 
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  | • Check the termination at the switch or  | |
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  | hub end of the network LAN cable.  | 
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  | Ensure that the switch/hub port  | 
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  | connected to the telephone is  | 
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  | operational (if not accessible, contact  | 
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  | your system administrator).  | 
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  | •  | Before restarting your phone, contact  | 
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  | your system administrator, since this  | 
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  | may allow more detailed  | 
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  | troubleshooting to occur before losing  | 
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  | any current status information.  | 
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