Appendix 
192
I experience poor sound quality when using the handset speakerphone. 
 f For increased sound quality while using the handset speakerphone, place 
the handset on a at surface with the dial pad facing up.
I hear other calls while using my phone.
 f Disconnect the telephone base from the telephone jack, and plug in a 
dierent telephone. If you still hear other calls, call your telephone  
service provider.
My cordless handset does not ring when I receive a call.
 f If the Smart call blocker feature of your telephone is on and in default 
screening mode, the telephone will screen all incoming calls with numbers 
that are not saved in your directory, allow list, block list, or star name list. 
While screening, the telephone plays the screening announcement to the 
callers and asks the caller to respond before putting the call through to 
you. To turn on or o Smart call blocker, see page 113.
 f Make sure that the ringer is not o. Refer to Ringer volume on page 40 
in this user’s manual. 
 f Make sure you plug in the telephone line cord securely into the telephone 
base and the telephone jack. Make sure you plug in the power cord securely.
 f The cordless handset may be too far from the telephone base.
 f Charge the battery in the cordless handset for at least ten hours. For 
optimum daily performance, return the cordless handset to the telephone 
base or charger when not in use.
 f You may have too many extension phones on your telephone line to  
allow all of them to ring simultaneously. Try unplugging some of the  
other phones.
 f The layout of your home or oce may be limiting the operating range. 
Try moving the telephone base to another location, preferably to a higher 
location.
 f If other phones in your home are having the same problem, contact your 
telephone service provider (charges may apply).
 f Test a working phone at the phone jack. If another phone has the same 
problem, contact your telephone service provider (charges may apply).
Troubleshooting