130   
 
stored in the call block list as unwanted (“Storing 
unwanted callers”, page 130). 
– the unit receives a call without phone number 
(“Blocking incoming calls without phone number”, 
page 132). 
When a call is received, the unit rings for a short 
time while the caller is being identified. If the phone 
number matches an entry in the call block list: 
– cellular calls are rejected. 
– landline calls are disconnected after the unit first 
sends out a busy tone to the caller. 
Important: 
•  When the unit receives a call from a number that 
is stored in the call block list or a call without a 
recognized phone number, the call is logged in the 
caller list (page 132) with after the call is 
disconnected. 
Storing unwanted callers 
You can store up to 30 phone numbers in the call 
block list.