Use call screening before broad blocking: label or silence likely spam, block repeat numbers individually, and keep voicemail or an allow list available for unfamiliar callers. That way, a doctor’s office, school, delivery driver, or new work contact still has a way to reach you. The right setup depends on whether you use a mobile phone, VoIP, or a traditional landline.
Build a filter that leaves a way through
Blocking can reduce unwanted calls, but a filter may also catch a call you want. Start with the least aggressive setting that works for you: caller labeling, screening, or sending suspected spam to voicemail. Use full blocking when you are confident you do not need calls from that number. The Federal Trade Commission (FTC) explains the trade-off in its guide to blocking unwanted calls.
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Protect important callers
- Save doctors, schools, family, workplaces, and other essential contacts in your phone.
- Check whether your phone or call-filtering service offers an allow list for numbers you want to ring through.
- If you cannot risk missing an unfamiliar caller, prefer screening or voicemail over rejecting every unknown number. Check voicemail and missed-call records regularly.
Escalate only when needed
Block a repeat unwanted number on your phone. If the calls continue from changing numbers, a single-number block may not help: caller ID can be spoofed, so the displayed number may not identify the real caller. A labeling or filtering service can be more useful in that situation, though no filter is guaranteed to catch every unwanted call.
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| Phone type | Options to check | What to verify |
|---|---|---|
| Mobile phone | Built-in phone settings, a call-blocking app, and your carrier’s services. | Whether the tool labels, silences, sends calls to voicemail, or blocks them; how to review and unblock calls; and what permissions or data the app uses. |
| VoIP phone | Filtering or blocking offered by your internet phone provider. | Which calls the service filters, whether it has an allow list or call log, and whether there is a fee. |
| Traditional landline | Filtering from your phone provider or a compatible call-blocking device. | Compatibility with your phone service, how blocked calls are handled, and any cost. No single device is established here as suitable for every landline. |
Features, costs, and availability vary by provider, app, and device. Ask your carrier or phone provider what it offers and check current terms before enabling a service. For apps, review privacy practices and contact access before installation; some call-blocking apps may access contacts. The FTC describes these options in its consumer guidance.
#1 Best Overall
- COMPATIBILITY: For traditional analog landline phones and services from providers such as AT&T, Verizon, Frontier Communications, CenturyLink, and Brightspeed. Not compatible with internet-based or digital phone services (VoIP), including Vonage, Ooma, Xfinity Voice, and Quantum Fiber.
- IMPORTANT: The V5000 CPR Call Blocker requires Caller ID service and an analog telephone line. Without Caller ID, incoming numbers cannot be identified or blocked. No mains power required - just plug it into your phone line and use.
- Powerful Blocking, Made Simple: Preloaded with 5,000 verified scam and nuisance numbers, the V5000 starts protecting you right out of the box. And if a new or spoofed number gets through, the large “BLOCK NOW” button makes it easy to instantly block it - up to 1,500 additional numbers at your command.
- Realistic & Reliable Protection: While no device can stop 100% of spam (scammers constantly change numbers), the V5000 gives you the power to shut down repeat offenders quickly and effectively - offering more control than passive filters alone.
- Hassle-Free Design: NO POWER supply needed, NO APP, and NO SUBSCRIPTIONS. The V5000 is easy to install, with a clear screen and loud button click for extra confidence. Designed with seniors in mind, it’s ready to use and simple to maintain. For even stronger protection, you can pair it with your phone provider’s spam filtering service.
Know what the Do Not Call Registry can—and cannot—do
The U.S. National Do Not Call Registry is aimed at most telemarketing sales calls; it generally does not stop political calls. The FTC says political calls are among the categories allowed under Registry rules when they do not also include a sales pitch. Registration therefore is not a way to eliminate campaign calls. See the FTC’s Registry FAQs for the scope and exceptions.
Federal rules depend on the call and the line
Not every political call is illegal. Federal restrictions described by the Federal Communications Commission (FCC) distinguish mobile phones from landlines and depend on how the call is made and whether the caller has the required consent. The FCC consumer guide says political campaign-related autodialed or prerecorded voice calls to mobile phones—including autodialed live calls, texts, and prerecorded messages—require prior express consent. It says such calls to landlines are permitted without that consent. The guide also says a political call using an artificial or prerecorded voice must identify the initiating individual or entity at the beginning of the message. Read the FCC guide to political robocall restrictions; state law may add requirements, and a specific case depends on its details.
Quick Recap
Best Value
- [ IMPORTANT NOTE 1 ] This product is a call blocker only and does not have a telephone or answering machine function. No phone or answering machine is included in the package. Before purchasing, please make sure that your telephone line has Caller ID service and that it is an ANALOG line. the ENF860 requires Caller ID service from your telephone line provider to work and is for analog lines only ! No mains power required, just plug in the phone line to use
- [ IMPORTANT NOTE 2 ] In BLOCK mode, there will STILL BE some new variant numbers bypassing the database making the phone ring, you NEED to manually set up to block them OR switch to FAMILY mode to let only the numbers in FAMILY LIST through. Please refer to the manual for the CORRECT SETTINGS.
- Dual mode;In BLOCK mode you can block callers by Numbers and Names; In FAMILY mode all callers outside the FAMILY LIST are blocked;The two modes can be switched at any time as needed and NO data will be lost after switching modes.
- Preloaded with a large number of spam numbers that have been the subject of repeated complaints ; Users can also manually add 4000+ numbers to the NUMBER LIST to build their own database ; Add 256 NAMES to block calls by name.
- Blocks INTERNATIONAL, PRIVATE/WITHHELD, and Out of Area numbers by default; users can SET to block the entire area code or changing numbers starting with a fixed number, such as 00, 800, 855, 999, 7324, 33626, 134567, etc.
Rank #4
- How it Works: SPAM identified calls are instantly blocked automatically. Preferred Calls Ring through like normal with Caller ID displayed. Your phones connected to the TEL port Won't Ring on Blocked Calls. Create your own Invited or Allowed Family (White List) and block All other callers. Use the Dual Block Buttons to Block a NAME or NUMBER Displayed. Remote Block a Call when Dialing * 2 # through your telephone handset.
- The Patented ProSeries 3 Call Blocker from Digitone is an Easy Installation and is Simple to Use. No need to rush over and tap a red button when the ProSeries has already blocked a known unwanted SPAM, Out of Area, Private, Anonymous, 800 Service, ROBO?, Dashes, "Quotes" or V123+ call. Use Call History to select Any Caller to Block by (Double Tap) Name or Number. Block any NAME like: Unavailable, Unknown, SCAM RISK, City + State, Potential Scam, Wireless Caller. Block ANY call without answering, as they call in with either RED button.
- Feel confident that the ProSeries already Blocks Millions of Known Unwanted Numbers and Fake Names. No need to change your existing phones or service. Works with Any Analog Corded, Cordless Phone or Fax System on any telephone service. Large Back-Lighted Display. Got questions? Call the number on the front screen of the ProSeries 3.
- Works with all USA phone companies: AT&T, Cox, Spectrum, CenturyLink, Cable Modems, DSL, FIOS, or Digital Services from VoIP Telcos like [V] from Verizon, Ooma Telo, Ooma Basic, Vonage, Magic Jack etc. Also, works in Mexico, Canada, Brazil, European Union (ETSI), Australia, Singapore and others with North American standardized phone lines.
- Allow any blocked caller to ring through like normal with the Green Invite Button. Double Tap the Green Button to add VIP callers shown in Call History. Note: Caller ID Name and Number Service from your phone company is required for this model to work automatically.
Rank #3
- This is the latest version Telephone Call Blocker with hidden or unavailable call numbers can be blocked. And there is no fees to use it; Please keep the manual for future use.
- Block up to 4000 individual phone numbers, including incoming and outgoing calls , prefixes and up to 10 digit area codes.
- One-touch to Block: Locate a number and then press Block to add it to the blacklist.Better set the call blocker in series ( one end of it connected to your phone and another end to the PSTN telephone line); Though it can also be set up parallel, but not compatible with some phone systems.
- Permanent storage of the numbers in the blacklist even power is off or telephone line is plugged out.
- Battery free: It is line powered, no need battery. And it works with almost all single line telephones. If you find some numbers are blocked but you never mean to, then press Block and check your blacklist, then delete those numbers which like area codes or prefix numbers.
Rank #2
- REDUCE UNWANTED CALLS & TAKE BACK CONTROL – The CPR V100K helps reduce unwanted spam, scam and robocalls on your landline. Known nuisance numbers in the preloaded database are blocked automatically, while new unwanted callers can be blocked at the touch of a button.
- 100,000 KNOWN NUISANCE NUMBERS PRELOADED – Includes a large database of known nuisance numbers for immediate protection. The database contains reported nuisance numbers from across the USA and is not a list of 100,000 numbers specific to your local area.
- BLOCK NEW CALLERS WITH ONE TOUCH – Scam callers frequently change or spoof their phone numbers, so no call blocker can stop every unwanted call automatically. When a new unwanted number gets through, simply press the large red BLOCK NOW button to prevent repeat calls from that number. Store up to 10,000 additional numbers.
- SIMPLE TO USE – NO APP OR SUBSCRIPTION – Connect the V100K to your compatible landline and start taking control of unwanted calls. No app, Wi-Fi, monthly subscription or external power supply required. The large display and tactile BLOCK NOW button make it particularly easy to use.
- IMPORTANT COMPATIBILITY INFORMATION – Requires an active Caller ID service. Designed for compatible traditional analog landline services. Not compatible with many internet-based or digital VoIP telephone services. Please check your telephone service before ordering.
Handle suspicious calls safely and report them
- Do not rely on caller ID. A displayed number can be spoofed, so it does not prove who called.
- For a suspicious recorded call, hang up. Do not press buttons or call back based only on the number shown or a number given in the message. The FTC’s robocall guidance explains safe handling.
- Keep useful details. Note the date and time, the displayed caller-ID number, and any number the message asks you to call. Treat the displayed number as potentially false.
- Report suspected unlawful calls to the appropriate agency. The FCC accepts reports about suspected unlawful political robocalls or texts; the FTC accepts reports about illegal robocalls. Reporting does not guarantee an individual call will be stopped.
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