General FAQS
How to add a CPR Call Blocker to a Tunstall Alarm Pendant System
In this section, I will show you how to successfully wire up The CPR Call Blocker to a Tunstall Alarm Pendant System that maybe used by the elderly in case of a fall or in need of help, etc. THIS IS HOW YOU WIRE THE TUNSTALL PENDANT ALARM SYSTEM UP ...How to add two CPR Call Blockers to a two line phone system
In this section, I will show you how to successfully wire up two CPR Call blockers to a two line phone system which are commonly found in The U.S.A and maybe used by a small percent of customers. In order for this setup to work you will require TWO ...Programming issues
If any U.S customers experience programming issues with their Call Blockers, such as an early busy tone or not working after entering the code can you please try the following workaround methods before returning the product to wherever you purchased ...Correct way to set up The CPR Call Blocker with VOIP Cable Router connections
If your phone line connection comes from a Cable VOIP Router such as Ooma, Comcast, Century TEL/Link, Cox, AT&T, Verizon FIOS, Magic Jack, etc... IN-LINE (SERIES) IN-PARALLEL (via splitter and additional line cable supplied) Only use this connection ...How do I set up the Call Blocker IN PARALLEL correctly?
In some instances, you may need to set up your unit IN-PARALLEL if you are unfortunate enough to lose caller ID on your phones/call blocker when the call blocker is attached. This method doesn't take as much power from your line like the standard ...Caller ID stopped working when using Call Blocker
In the U.S.A especially, due to the large areas involved, sometimes the caller ID signal can differ in strength depending on how far your home is from the telephone exchange and appear weaker and as a result, you may lose the caller ID feature on ...How do I set up my Call Blocker with a separate answering machine?
You will need to use a splitter/doubler jack in your main master socket and run the main telephone line cable from the phone in one end which will then run into your call blocker through the LINE 1 or 2 port (depending on your make of phone). The ...Will the CPR Call Blocker work with Manx Telecom lines in the Isle of Man?
Unfortunately, the CPR Call Blocker doesn’t currently work on Manx Telecom lines. We are currently working hard to provide a fix for this though.I have my telephone line through a modem or router, will the CPR Blocker work with this?
Yes it will work with all major VOIP providers such as Magic Jack, Fios and Ooma.Will The CPR Call Blocker work on my broadband line?
The CPR Call Blocker will work happily alongside your broadband connection. If your broadband is supplied by Fibre Optic - just unplug your telephone lead from the phone and plug it into The Call Blocker. If your broadband is through ADSL/DSL ...Will The CPR Call Blocker work in The USA, Australia, Canada, & South America, etc?
Yes, The CPR Call Blocker has the ability to work world-wide, but if you have a weak caller ID signal (U.S.A/Canada), then you may have to setup the call blocker IN-PARALLEL as opposed to IN-LINE by using a splitter and an additional line cable ...When I call home from work, my number is WITHHELD. Will I still be able to call home from work with The CPR Call blocker?
Yes, but if you have the WITHHELD/PRIVATE blocking function turned ON, you will need to dial 1470 (UK) or *82 (U.S.A) before your number so that it unmasks the number you are calling from and successfully lets your call through.The Call Blocker seems to be blocking all calls, what could be the problem?
This is most likely down to intermittent caller ID caused by a faulty/poor quality ADSL/DSL broadband filter. Try removing the filter to see if this fixes the issue and replace it if necessary with a top quality ADSL/DSL filter such as NETGEAR, ...How many numbers can The CPR Call Blocker block?
The number of calls the Call Blocker can block will depend on the model. Model Capacity CPR Call Blocker v108 200 worse known offenders pre-programmed Additional 1000 programmable number capacity. CPR Call Blocker v202 200 worse known offenders ...I have friends and relatives who withhold their number, would it still block their calls?
No, unless manually program the unit to block all WITHHELD/PRIVATE calls. In this case relatives, friends and numbers of importance can still dial 1470 (UK) or *82 (U.S.A) to override the WITHHELD/PRIVATE blocking code. You would need to tell ...I have friends and relatives overseas, would it still block their calls?
No, only if you manually program the unit to block all international '00' calls.Can I use The CPR Call Blocker with extension telephone sockets?
Yes, you can but problems can arise. If you wish to have several phones around the house it is better to use a modern DECT (Digital Enhanced Cordless Telephone) where the main phone has a base station with multiple cordless handsets. This way The ...Can I use The CPR Call Blocker at work?
The CPR Call Blocker is designed for home telephone lines, but it will also work on Digital PBX switchboard systems with an analogue handset plugged into the call group. E-mail us at support@cprcallblocker.com or Call us for more information. UK ...Does The CPR Call Blocker work with answering machines?
The CPR Call Blocker shouldn’t interfere with the functionality of answering machines. However, if you do experience problems with your answer machines, try lowering/increasing the amount of rings before the answering machine takes affect on your ...Can I manually program The CPR Call Blocker?
You can manually program the CPR Call Blocker if you wish. But the CPR unique 'BLOCK NOW' Button is the easiest way of blocking an unwanted callers’ number. Programming Codes: ADD/REMOVE BLOCKED NUMBERS OR AREA CODES ADD: **7# (Number or Area code) # ...I have a personal Panic Alarm, will The CPR Call Blocker affect this?
No, it won't. We have contacted all the major suppliers of these devices and all have said that it would be compatible together with a personal panic alarm system. All they would request is that when you purchase one, you give them a call and tell ...I have cable TV, will The CPR Call Blocker affect it?
No, it will not interfere with your cable TV viewing.Can I use any telephone with The CPR Call Blocker?
The CPR Call Blocker will work with a wide range of telephone equipment - cordless DECT phones, cordless analogue phones, corded phones and text message phones. If you have any problems when using a particular handset, you can contact our Support ...Will The CPR Call Blocker work with my SMS/Text messaging phones?
Some modern phones can send and receive text messages (SMS phones). The CPR Call Blocker will still allow your phone to send and receive text messages without any problems.Do I need caller ID for this product to work?
Yes. Caller ID is vital for the CPR Call Blocker to function correctly. This feature must be enabled on your telephone line from your provider for the product to work effectively. Caller ID is usually available for free while other providers may ...Which network provider(s) do the CPR Call Blocker support?
The CPR Call Blocker will work on standard domestic telephone lines from any main phone provider in the UK, including BT, Virgin Media, TalkTalk, Sky, Plusnet etc. It will also work with all providers in the U.S.A, such as Comcast, Verizon, AT&T, ...What if there is a power cut?
The CPR Call Blocker uses the power from your telephone line, so there would be no interference.How much power does the CPR Call Blocker use?
The CPR Call Blocker uses only the power from your telephone line, which is of no cost to you!My Call Blocker has stopped blocking all international calls?
Due to BT & Virgin's new Caller ID update, International calls are to now blocked by using the programming code * * 7 # (beep) 00 # (beep).The CPR Call Blocker leads are too small to fit my phone socket?
All UK/Worldwide phones use standard BT Male to RJ11/RJ11 connector phone cables. These cables simply unplug from the back/underside of your phone and then plug into the LINE 2 port of The CPR Call Blocker. The short black cable supplied with The CPR ...I have a 1571 button phone, will The CPR Call Blocker work with it?
With some older type BT model phones like The BT DECOR 1200, 2220 and 2250 models, these phones have a 1571 button and a message waiting light located on them. These phones are known to conflict with The CPR Call Blocker as they automatically check ...
Return to CPR website
Call Us
USA Customer Care: 1-888-507-7486
UK Customer Care : 0800 652 7780
AUS Customer Care : 1 800 187 358