CPR Call Blocker, User Manual

Step 1

Remove the line cable from your telephone and plug into the 

LINE 2 

port of the Call 

Blocker.

Step 2 

Use the short black cable provided to connect one end to the 

TEL 2

 port of the Call 

Blocker and the other end back to your telephone.

Step 3

Make sure that all cables are connected securely and then check for a dial tone. If the 

red lights display on top of the unit when checking for a dial tone or making an 

outgoing call then this will confirm that the call blocker is setup correctly.

Step 1

Remove the line cable from your telephone and plug into the 

LINE 2 

port of the Call 

Blocker.

Step 2 

Use the short black cable provided to connect one end to the 

TEL 2

 port of the Call 

Blocker and the other end back to your telephone.

Step 3

Make sure that all cables are connected securely and then check for a dial tone. If the 

red lights display on top of the unit when checking for a dial tone or making an 

outgoing call then this will confirm that the call blocker is setup correctly.

I N S T A L L AT I O N  

D I A G R A M - I N - L I N E

Line 

Cable

Short Black 

Cable Provided

Telephone

B L O C K   N O W

2

3

Main Wall 

Socket

The easiest way to block nuisance callers is to use the BLOCK NOW button located on 

the top of the Call Blocker.

When a nuisance caller gets through press the ‘BLOCK NOW’ button and then hang up 
the call, this caller will now be blocked from calling again.

If you are using a DECT type cordless telephone you can also press 

# 2

 on your phone’s 

keypad whilst on a call to block a nuisance call.

The BLOCK NOW button only blocks visible numbers on your caller display. If you are 
receiving nuisance calls from WITHHELD, PRIVATE, UNAVAILABLE or INTERNATIONAL 
numbers please use the programming codes on pages 5, 6 and 7.

The easiest way to block nuisance callers is to use the BLOCK NOW button located on 

the top of the Call Blocker.

When a nuisance caller gets through press the ‘BLOCK NOW’ button and then hang up 
the call, this caller will now be blocked from calling again.

If you are using a DECT type cordless telephone you can also press 

# 2

 on your phone’s 

keypad whilst on a call to block a nuisance call.

The BLOCK NOW button only blocks visible numbers on your caller display. If you are 
receiving nuisance calls from WITHHELD, PRIVATE, UNAVAILABLE or INTERNATIONAL 
numbers please use the programming codes on pages 5, 6 and 7.