
User Guide for the SoundPoint IP 670 Desktop Phone
| Symptom | Problem | Corrective Action | 
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 | You turned off the ringer. | Do one of the following: | 
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 | • During an incoming call, lift the | 
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 | handset, press the Speakerphone | 
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 | key, or press the Headset key to | 
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 | obtain a dial tone. | 
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 | • Press the ringing Line Key or the | 
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 | Answer soft key to answer the call. | 
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| “Service Unavailable” appears | The user pressed the New Call | Check with your system administrator to | 
| on the screen. | soft key, dialed a number with the | see when your phone will be registered. | 
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 | handset  | 
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 | make a call from the contact | 
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 | directory when the phone was | 
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 | not registered. | 
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| The line icon shows an | The phone line is unregistered. | Contact your system administrator. | 
| unregistered line icon. | 
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