Appendix
Troubleshooting
  | •  | Disconnect the telephone base from the modular jack and | 
  | 
  | plug in a corded telephone. If calls are still not clear, the  | 
  | 
  | problem is probably in the wiring or local service. Contact  | 
  | 
  | your local service company (charges may apply).  | 
  | •  | Other cordless telephones and 802.11 wireless routers that  | 
  | 
  | are used for home computer networks both use internal  | 
  | 
  | radios to communicate. The radios may interfere with one  | 
  | 
  | another. You can improve the performance of your cordless  | 
  | 
  | telephones and your router by:  | 
  | 
  | a. Positioning your new telephone as far away from any  | 
  | 
  | other already installed cordless telephone in your home  | 
  | 
  | as possible. This will hinder the interference of the two  | 
  | 
  | systems with one another.  | 
  | 
  | b. Positioning your telephone base as far as possible from  | 
  | 
  | your router, computer or any other computer devices.  | 
  | 
  | c. Selecting channels 4 through 10 for your router (refer to  | 
  | 
  | your router’s user manual for more information).  | 
  | •  | Do you have DSL service? If yes, you need to have a DSL  | 
  | 
  | filter installed at every telephone jack that has a telephone  | 
  | 
  | connected to it. Contact your DSL service provider for filter  | 
  | 
  | information  | 
  | 
  | 
  | 
I hear other calls  | •  | Disconnect the telephone base from the telephone jack.  | 
when using the  | 
  | Plug in a different telephone. If you still hear other calls,  | 
telephone.  | 
  | the problem is probably in the wiring or local service. Call  | 
  | 
  | your local telephone company.  | 
  | 
  | 
  | 
My caller ID  | •  | Caller ID is a subscription service. You must subscribe to this  | 
features are not  | 
  | service from your local telephone company for this feature  | 
working properly.  | 
  | to work on your telephone.  | 
  | •  | The caller may not be calling from an area which supports  | 
  | 
  | caller ID.  | 
  | •  | Both you and the caller’s telephone companies must use  | 
  | 
  | equipment which are compatible with caller ID service.  | 
  | •  | If you subscribe to DSL service, install a DSL filter to the  | 
  | 
  | telephone line between the telephone base and the tel-  | 
  | 
  | ephone line jack. Contact your DSL service provider for filter  | 
  | 
  | information.  | 
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