The Phone Cannot Make Any Calls; The Phone Cannot Make Any External Calls - NEC DT900 Series User Manual

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The phone cannot make any calls

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The phone cannot make any external calls

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DT900/DT900S Series Phone User Guide
this information is missing, there may be a problem with your connection to the
network. Contact your system administrator.
Restart the phone:
Press the Menu key.
a.
5
Select Reboot.
b.
Press the OK softkey or
c.
If you cannot
Note: restart
and the network for ten seconds, then reconnect the telephone to your
network and power to perform a
If you are still having problems with your phone, contact your system administrator.
If you are using a headset, try using the phone handset to make a telephone call. If the
phone works while using the handset but not your headset, replace the headset you
have attached to the phone.
Press the Menu key, then go to
phone has an IP address, Subnet Mask, Default Gateway, and DNS Server listed. If any of
this information is missing, there may be a problem with your connection to the
network. Contact your system administrator.
Restart the phone:
Press the Menu key.
a.
5
Select Reboot.
b.
Press the OK softkey or
c.
If you cannot
Note: restart
and the network for ten seconds, then reconnect the telephone to your
network and power to perform a
If you are still having problems with your phone, contact your system administrator.
In your network requires and outside access code to reach an outside telephone line,
make sure you enter that as the first number when you are dialing an outside line.
Verify that your network is not having problems accessing outside telephone service.
Contact your system administrator to verify that your account is authorized to call
external numbers.
Press the Menu key, then go to
phone has an IP address, Subnet Mask, Default Gateway, and DNS Server listed. If any of
this information is missing, there may be a problem with your connection to the
network. Contact your system administrator.
Restart the phone:
Press the Menu key.
a.
5
Select Reboot.
b.
Press the OK softkey or
c.
If you cannot
Note: restart
and the network for ten seconds, then reconnect the telephone to your
network and power to perform a
If you are still having problems with your phone, contact your system administrator.
b
Enter key on the cursor pad to restart the phone.
the phone using the Menus, unplug the phone from power
.
restart
6 2
Status, Network Information and verify that the
b
Enter key on the cursor pad to restart the phone.
the phone using the Menus, unplug the phone from power
.
restart
6 2
Status, Network Information and verify that the
b
Enter key on the cursor pad to restart the phone.
the phone using the Menus, unplug the phone from power
.
restart
C A L L I N G
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