NEC DT900 Series - Phone Keypad; The Dial Pad And;Or Buttons Are Not Working; I Want to Enter Specific Characters or Letters in Speed Dials and Personal Directory Entries; Phone Softkeys

PHONE KEYPAD
11 -164 DT900/DT900S Series Phone User Guide
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PHONE KEYPAD
The dial pad and/or buttons are not working
1 Verify that the phone is receiving power.
2 Place a call to the telephone line from another working phone, and monitor your phone
for any changes to the display. If your phone is not responding at all, there may be a
problem with the phone hardware. Contact your system administrator.
3 Restart the phone:
a. Press the Menu key.
b. Select 5 Reboot.
c. Press the OK softkey or b Enter key on the cursor pad to restart the phone.
Note:
If you cannot restart the phone using the Menus, unplug the phone from power
and the network for ten seconds, then reconnect the telephone to your
network and power to perform a
restart.
I want to enter specific characters or letters in Speed Dials
and Personal Directory Entries
By default, when you enter the Name section when entering information for a Speed
Dial or Personal Directory entry, the telephone keypad is in uppercase mode.
You can switch between upper and lower case character sets by pressing the
* key.
The phone displays the character entry mode it is currently using in the Icon Display
area.
Table 11.1 Character entry mode Icon Displays
For more information on the character sets, see “Speed Dial and Personal Directory
Character Sets”.
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PHONE SOFTKEYS
The phone softkeys are not working
1 Verify that the phone is receiving power.
Feature Icon
Keypad in first letter uppercase
entry mode
Keypad in all uppercase entry
mode
Keypad in all lowercase entry
mode
Keypad in numeric entry mode