What is the best call blocker for landline phones? Call-blocking devices are small boxes that need to be attached to a landline phone. Some models incorporate databases of scam numbers as well as allow you to add new numbers for blocking. Other devices have a feature that diverts unwanted calls to voicemail or shows a blinking light when such a call comes in.

When choosing a call blocker for landline phones, it is important to pick the one made by a trusted manufacturer. 

Call Blockers Compared

A good choice is CPR, a British company that is engaged in the development of simple, low-cost, and effective call blocking devices. Located in Lakeside Technology Park, Swansea, the company has been recognized by many regional and international awards, including the 2020 Queen’s Awards for Enterprise and the 2019 American Business Awards.

Now, let’s compare the two most popular call blockers from this brand — CPR V5000 and CPR V10000 models. To begin with, they differ by the quantity of pre-loaded known nuisance numbers: 5,000 and 10,000, respectively.

How call blockers for landline phones differ

The CPR V5000 has an additional number blocking capacity of 1,500 unwanted calls, while the CPR V10000 allows you to block 2,000 numbers in addition to those pre-programmed.

Moreover, the CPR V10000  offers a new feature, the Allow mode, designed specifically to protect the elderly and other vulnerable people. You can use this button to preset the numbers that the phone will receive calls from, while all other numbers will be blocked automatically. You can also program the device to reject all calls shown as unknown, international calls or block a specific area code.

In terms of design, both call blockers are equipped with a wide display screen and a large red “Block Now” button located on the top of the device. Once you press the button, the number of the incoming call will be logged into the memory and blocked permanently. A Block List button allows you to view the numbers blocked and remove any of them from the list if needed.

The CPR V5000 is more lightweight and measures 9.5 x 11 x 5.5 cm, while the CPR V10000 is twice as heavy and has dimensions of 12.5 x 12.6 x 4 cm. Both models are compatible with all major UK landline providers and common landline phone manufacturers.

Best-Selling Call Blockers for Landline Phones in the UK | Comparison Table

Customers' Choice | Best Trusted

Products with a 5-star rating

 

Product5 Stars Votes
CPR Call Blocker V1082713(29.9%)
CPR V10000 Call Blocker537(5.9%)
TelPal Landline Call Blocker164(1.8%)

 

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