Appendix 
141
My caller ID isn’t working.
 Caller ID is a subscription service. You must subscribe to this 
service from your telephone service provider for this feature to 
work on your phone.
 The caller may be calling from an area that supports caller ID.
 Both your and your caller’s telephone service providers must use 
caller ID compatible equipment.
 If you subscribe to high-speed Internet service (DSL - digital 
subscriber line) through your telephone line, you must install a 
problems resulting from DSL interference. Please contact your 
System does not receive caller ID when on a call.
 Make sure you subscribe to caller ID with call waiting features 
from your telephone service provider. Caller ID features works 
service, and if both telephone service providers use compatible 
equipment.
System screens all my incoming calls.
 Smart call blocker is set to on by default. If your directory, 
allow list, block list, and star name list are empty, all calls will 
incoming calls and asks callers to announce their names or 
press the pound key (#). We recommend that you set up your 
directory, allow list, block list, and star name list before using 
your telephone with the Smart call blocker feature. See Block 
list on page 75, Allow list on page 80, and Star name list 
on page 85.
 Set Smart call blocker on/o 
on page 72.
Troubleshooting