Appendix 
143
Troubleshooting
While screening a call, the telephone suddenly stops screening 
and connects to the call.
f Another handset may have picked up the screening call.
f If you have other telephone system sharing the same telephone 
line, and someone picks up the call on the other telephone 
system while the screening is in progress, the screening process 
will be terminated and connect you to the caller.
My telephone blocks calls from someone I know.
f You may have saved the caller’s number in your block list. To 
remove the number from the block list, see Delete a block 
entry on page 83.
Blocking all unknown calls.
f If you want to block all unknown calls without numbers and calls 
with numbers or names that are not in your directory, allow list 
or star name list, select the Block unknown
Set prole on page 77.
Forwarding all unknown calls to the answering system.
f If you want to forward all unknown calls without numbers and 
calls with numbers or names that are not in your directory, 
allow list or star name list to the answering system, select the 
UnknownToAns.SSet prole on page 77.
Incomplete messages.
f If a caller leaves a very long message, part of it may be lost when 
time you have set.
f If the caller pauses for longer than seven seconds, the system 
stops recording and disconnects the call.
f If the system’s memory becomes full during a message, the 
system stops recording and disconnects the call.
f 
and disconnect the call.