974CIB_06 4/7/06 3:33 PM Page 90
In case of difficulty
Telephone operation
Problem | Solution |
LINE lights remain | • Make sure the phone is programmed |
on when no line is | for that line to be absent. (See Turn |
connected. | line usage on or off for each line |
| on page 31.) |
| • Make sure that your line groups are |
| programmed properly. (See Assign the |
| line group for this phone on page 39.) |
| • Disconnect all other devices (fax, modem, |
| credit card reader, etc.) from any lines |
| connected to your phone. These devices |
| can interfere with the telephone’s data links. |
| • Make sure the total length of telephone |
| wiring used in your phone system is less |
| than 600 feet as it may cause interference |
| with the advanced features of this telephone. |
| • If you are a DSL service subscriber, please |
| see DSL users beginning on page 4 for |
| details. |
|
|
Problem | Solution |
Tone signals do | Tone signaling does not work during |
not activate a | conference calls. |
remote device. |
|
|
|
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