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If you need some help, call us on 0800 145 6789 or go to bt.com/bt3110
Call block
Your BT3110 can block calls by  
type or BY NUMBER. To get the 
most out of it, you’ll need to 
subscribe to a Caller Display service 
from your network provider.  
Charges may apply.
Blocking calls by type
You can choose to block International, 
Withheld, Unavailable or Payphone 
numbers.
1. To block one of these call types, 
press
 
 
to open the menu.
2. Press
 
 
to get to CALL BLOCK 
and then press
 
.
3. You’ll see BY CALL TYPE on the 
display screen. Press
 
.
4. Use the
 
 
or   to scroll 
between INTERN’L, WITHHELD, 
UNAVAILABLE, PAYPHONE.  
When you’ve found the one you 
want, press
 
. 
5. Use the
 
 
or 
 
to scroll 
between ON and OFF and  
press
 
.
Important
When blocking calls by type
The caller name is not shown
either on the display or logged
in the call list. Only BLOCKED CALL 
is shown with call type.
Blocking a number
Youcanblockspecicnumbersby
adding them to a list. For this setting 
to work, you’ll need to switch BLOCK 
MODE on. If you add a number to this 
list, your phone will only ring silently.
1.
 Open the menu and press 
 
until you get to CALL BLOCK.  
Press 
.
2. Press
 
 
until you get to  
BY NUMBER and press
 
.
3. BLOCK MODE will be displayed, 
press 
.
4. Press
 
 
or 
 
to get to ON, then 
press
 
. BLOCK MODE will be set 
to ON.
5. To add a number to the BLOCKED 
LIST, press 
 until you see ADD 
NEW and press
 
.
6. Type in the number you want to 
block, then press
 
 
to save it.