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| TROUBLESHOOTING |
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Display shows | Probable cause | Action or comment |
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Phonebook is not | The phonebook does | Try again later. If the |
available at the | not respond, not | error is not resolved, |
moment | available at the | contact the system |
| moment. | administrator |
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Voice mail | There is no voice | Define a voice mail |
number not | mail number defined | number via WinPDM |
defined | in the phone. | or CPDM. Contact |
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| the system |
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| administrator. |
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Could not | The “Encryption | Perform one or more |
encrypt | Required” parameter | of the following steps: |
connection | is enabled in the | • Disable the parameter |
| phone in combination | • Enable the encryption in |
| with either or both of | the base stations |
| the following options: | • Use the supported base |
| • one or more encrypted | stations. |
| base stations | Make sure to use |
| • one or more unsup- | |
| base stations of | |
| ported base stations | version 3.1.x or |
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| higher |
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128 |