. . . . .
C A L L I N G
DT900/DT900S Series Phone User Guide
11-161
this information is missing, there may be a problem with your connection to the
network. Contact your system administrator.
4
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
.
5
If you are still having problems with your phone, contact your system administrator.
The phone cannot make any calls
1
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.
2
Press the Menu key, then go to
6
Status,
2
Network Information and verify that the
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.
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
.
4
If you are still having problems with your phone, contact your system administrator.
The phone cannot make any external calls
1
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.
2
Verify that your network is not having problems accessing outside telephone service.
3
Contact your system administrator to verify that your account is authorized to call
external numbers.
4
Press the Menu key, then go to
6
Status,
2
Network Information and verify that the
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.
5
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
.
6
If you are still having problems with your phone, contact your system administrator.
Summary of Contents for DT900 Series
Page 1: ...DT900 DT900S Series Phone User Guide For UNIVERGE 3C Communications and SIP Net Platforms ...
Page 2: ......
Page 8: ...viii P N 540 446r0 DT900 DT900S Series Phone User Guide ...
Page 22: ...1 2 DT900 DT900S Series Phone User Guide ...
Page 50: ...ITK 8LC X PH ON E SPECIF ICS 2 30 DT900 DT900S Series Phone User Guide ...
Page 80: ...5 60 DT900 DT900S Series Phone User Guide ...
Page 148: ...E N H A N C E D P R O G R AM M A B L E K E Y S 8 128 DT900 DT900S Series Phone User Guide ...
Page 176: ...B L U E TOO T H S U P P O R T 10 156 DT900 DT900S Series Phone User Guide ...
Page 188: ...A U D I O 11 168 DT900 DT900S Series Phone User Guide ...
Page 194: ...A 174 DT900 DT900S Series Phone User Guide ...
Page 198: ...B 178 DT900 DT900S Series Phone User Guide ...
Page 213: ......
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