Call Blocker Security Device for Landline Phones

Take Control of Unwanted Calls

The Call Blocker Security Device is designed for landline users who want clear, uninterrupted phone time. This compact unit connects directly to your wired phone line and lets you quickly block nuisance, spam, and harassing calls with a simple key press. Constructed from durable plastic with reliable electronic components, it is powered by 2 x AAA batteries (not included) and includes a connecting line and English manual for straightforward setup.

The device can block numbers consisting of 3 to 16 digits, including full phone numbers, area codes, prefixes, and hidden or anonymous numbers. With capacity to block up to 1,500 numbers, it provides robust protection against repeated telemarketing calls, robocalls, and persistent unwanted callers. It also stores the first 100 incoming numbers and the first 50 outgoing numbers, helping you review recent activity and manage your blacklist with confidence.

Why It's a Smart Choice

• Comprehensive blocking options - Block full numbers, area codes, prefixes, and hidden numbers to significantly reduce nuisance and suspicious calls.
• Easy single-key operation - Add numbers to your blacklist instantly during or after a call using a simple, intuitive control layout with adjustable display brightness.
• Efficient call management - Call history storage (100 incoming / 50 outgoing) allows you to review recent calls and quickly block repeat offenders at any time.

FAQ

Q: Will this work with cordless or two-line phone systems?
A: No. This device is designed for standard single-line wired landline phones and is not compatible with two-line systems or cordless phones.

Q: Can it block anonymous or hidden numbers?
A: Yes. The device can block hidden, anonymous, or caller-ID-withheld numbers, helping reduce unwanted and suspicious calls.

Q: How many numbers can I block?
A: You can store and block up to 1,500 individual numbers and number patterns (including prefixes and area codes).

Q: Is installation complicated?
A: No. Simply connect the device between your landline wall socket and your telephone using the supplied connecting line, insert 2 x AAA batteries, and follow the step-by-step English manual.