Outdated Drivers Are Slowing You Down
One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchPC Slower Than It Used to Be?
A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11Use caller screening and spam identification instead of silencing every number outside your contacts. On iPhone, choose Ask Reason for Calling when available; on Android with Google Phone, turn on caller ID and spam protection and block repeat offenders individually. These options can reduce interruptions while leaving a path for legitimate first-time callers, but they cannot identify every spam call.
Why “unknown” does not necessarily mean spam
An unfamiliar number could belong to a spammer, but it could also be a doctor’s office, delivery driver, school, employer, or service provider. A setting that silences all unknown callers can send an important first-time call to voicemail. If you need new contacts to reach you, prefer screening or spam warnings over a blanket unknown-caller block.
As an Amazon Associate I earn from qualifying purchases.
Choose the right level of filtering
| Option | What happens to unfamiliar callers | Best fit |
|---|---|---|
| Screen unknown callers | The caller is asked to identify themselves before the phone rings. | You want a chance to answer legitimate new callers without letting every call interrupt you. |
| Caller ID and spam warnings | Call information or a potential-spam warning can appear; callers outside your contacts are not automatically treated as spam. | You want to judge calls as they arrive and block repeat offenders selectively. |
| Silence unknown callers | Unsaved callers are sent to voicemail rather than ringing normally. | You are comfortable checking voicemail for legitimate first-time callers. |
| Carrier or third-party filtering | Behavior depends on the service; it may label, screen, or block calls. | You need additional filtering and have checked its handling of legitimate callers, permissions, and cost. |
Screen unfamiliar calls on iPhone
Apple documents three unknown-caller choices: Never lets unsaved callers ring normally, Ask Reason for Calling screens them before the phone rings, and Silence sends them to voicemail. For the goal of blocking spam without missing new contacts, start with Ask Reason for Calling if the option is available on your iPhone. Apple describes it this way: “Ask Reason for Calling means these calls are screened (the caller is asked why they’re calling before your phone even rings).”
Quick wins for a faster PC:
Repair Windows errors before they cause bigger problemsFix Now →Scan for outdated or missing drivers - takes under a minuteDriver Scan →Clear out junk files and repair common Windows errorsFree Scan →- Open Settings and go to Apps > Phone.
- Open Screen Unknown Callers and choose Ask Reason for Calling, if shown. Labels or availability can vary by device and software version; use the choices displayed on your phone.
- If you instead choose Silence, plan to check voicemail for calls from legitimate numbers you have not saved.
Apple also offers a setting to silence calls identified by the carrier as spam or fraud. Check the Phone settings available on your device if you want that additional filter; carrier identification is not a guarantee that every unwanted call will be caught.
#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.
Use caller ID and selective blocking with Google Phone
On Android devices using Google Phone, caller ID and spam protection can show information about callers outside your contacts or warn that a call may be spam. The app also lets you block a specific number. Android phones do not all use the same dialer, so the feature set and menu paths can differ.
- Open the Phone app and open its settings.
- Find Caller ID & spam or the similarly named control, then review and enable caller ID and spam protection if it is available.
- To block an individual repeat offender, open the call history, select the number, and choose the block option. In Google Phone, Google documents number blocking under its number-blocking controls; exact labels may vary.
Google says that when caller ID and spam protection is on, a number from outside your contacts may be sent to Google to help identify a business caller or determine whether the call is spam. Consider that data handling when deciding whether to enable the feature.
Rank #2
- [ 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.
Consider carrier or third-party filtering carefully
Your carrier may offer call-blocking services, and separate apps may provide additional filtering. Ask the carrier what its service labels, screens, or blocks, whether it is included with your plan, and how it treats unfamiliar legitimate callers. Before installing an app, check its permissions and how calls are handled: the FTC notes that some call-blocking apps access contacts. Current terms and costs depend on the carrier or app, so verify them directly.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
- Does the tool block calls outright, screen them, or only display a warning?
- Can legitimate new callers still ring or leave a message?
- Can you review filtered calls and unblock a number that was misidentified?
- Does the app request contact access or send non-contact numbers for identification?
- Is the service already included with your carrier plan, or does it have a separate cost?
What spam filtering can and cannot do
Caller ID and spam detection are screening aids, not proof of who is calling, and no filter guarantees that every unwanted call will be stopped. Treat an incoming caller’s identity as unverified when the call asks for sensitive information, money, or account action. Hang up and contact the organization through a number or channel you already trust.
Rank #3
- 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.
For device-specific screening beyond these settings, the FCC describes Pixel Call Screen as asking who is calling and why, then letting the user decide whether to answer. Availability can depend on the Pixel model, region, and carrier, so check current support for your device before relying on it.
Quick Recap
Rank #4
- 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.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
