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P H O N E T R O U B L E S H O O T I N G
Calling
DT820 Phone User Guide
11 -177
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 DT820 ITY-6D
Page 1: ...DT820 Phone User Manual For UNIVERGE 3C Communications and SIP Net Platforms ...
Page 2: ......
Page 8: ...viii P N 540 441r3 DT820 Phone User Guide ...
Page 20: ...LI ST O F FI G URES 2 List of Figures DT820 Phone User Guide ...
Page 22: ...O VERVI EW 1 2 DT820 Phone User Guide ...
Page 46: ...I NTRO DUCTI O N TO T HE DT 8 2 0 PHONES ITY 6D 1 Phone Specifics 2 26 DT820 Phone User Guide ...
Page 52: ...I NSTALLATI O N 3 32 DT820 Phone User Guide ...
Page 212: ...SI P NET SYSTEM F EAT URES B 192 DT820 Phone User Guide ...
Page 232: ...NO TI CES WEEE Product Disposal Information D 212 DT820 Phone User Guide ...
Page 233: ......
Page 234: ......
