
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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