• Improvements over SENTRY 3: New form factor, LED indicator.
• Extra RJ11 jacks for world wide compatibility.
• The only thing you want to do is to create a White List, and let SENTRY3 do the rest.
• Now You’ll easily and quickly create White List the usage of the new number pad. You’ll also create your own custom OGM in any fashion or language.
• All other call blockers rely solely on Black List to block, they may be able to’t block unknown calls that aren’t on Black List.
• SENTRY’s unique Active Screening can block all junk calls without reference to known or unknown. All you want to do is to set up a White List that comprises the good contacts who call your home phone. White List callers will bypass SENTRY to ring your phone. Unrecognized calls will be screened by SENTRY which broadcasts a voice message to the caller that turns away the spammers and ushers in the good callers.
• Effectively eliminates phone frauds targeting seniors.
Unique ACTIVE screening, blocks all unknown or known spam calls. Fully automatic blocking after set up.
Set up Whitelist (family and friends) with keypad. (New feature) REQUIRES Caller ID service.
No wish to take a bad call and then block it. No more bad calls, period.
100% effective on all robo calls, election calls, telemarketing or any solicitor calls.
Record your own out going message in any language. (New feature).
Sentry Call Blocker 3.1, Most Effective Spoof Call Blocker, Blocks 100% ROBOCALLS, Scammers, Election Calls…
Amazon.com Price: $79.00 (as of 05/02/2022 02:08 PST- Details)
& FREE Shipping.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
Unique ACTIVE screening, blocks all unknown or known spam calls. Fully automatic blocking after set up.
Set up Whitelist (friends and family) with keypad. (New feature) REQUIRES Caller ID service.
No need to take a bad call and then block it. No more bad calls, period.
Usually ships in 24 hours
| Binding | |
|---|---|
| Brand | |
| EAN | |
| EANList | |
| ItemDimensions | 210, hundredths-inches, 750, hundredths-inches, 100, hundredths-pounds, 550, hundredths-inches |
| Label | |
| Manufacturer | |
| Model | |
| MPN | |
| PackageDimensions | 220, hundredths-inches, 770, hundredths-inches, 80, hundredths-pounds, 580, hundredths-inches |
| PackageQuantity | |
| PartNumber | |
| ProductGroup | |
| ProductTypeName | |
| Publisher | |
| Studio | |
| UPC | |
| UPCList |
Related products
Accessories & Supplies
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
Accessories & Supplies
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
Accessories & Supplies
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
Accessories & Supplies
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
Accessories & Supplies
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
Accessories & Supplies
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
Accessories & Supplies
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
Accessories & Supplies
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.

Accessories Kit for Arlo Pro and Pro2 Camera w/ (2pcs) Arlo Pro & Pro2 Skins and (2pcs) 10cm Arlo Camera Mount Black Arlo Netgear Security Wireless Covers Case Outdoors Wall Adjustable Pro 2 by Sully
GoPro Karma Battery (GoPro Official Accessory)
DJI Spark Remote Controller, Black (CP.PT.000792)
David Clark DC ONE-X ENC Headset
Amcrest 4-Pack 150 Feet Pre-Made All-in-One Siamese BNC Video and Power CCTV Security Camera Cable with Two Female Connectors for 960H & HD-CVI Camera and DVR (SCABLEHD150B-4pack)
Mediasonic HOMEWORX HW130STB HDTV Digital Converter Box with Recording and Media Player Function
IVIEW-3200STB Multimedia Converter Box. Digital to Analog, QAM tuner, with Recording function
Digital TV Converter Box P19-106 Supports Full HD/USB With Remote Control, RCA Outputs/HD Out
amFilm Glass Screen Protector for iPhone 8, 7, 6S, 6 (4.7 Inch)(2 Pack) Tempered Glass Screen Protector
Studebaker Portable Retro Home Audio Stereo AM/FM Radio & Cassette Player/Recorder with Aux Input Jack & Built in Speakers (Gold)
Intel BX80677G3930 7th Gen Celeron Desktop Processors
David Clark DC PRO-X Hybrid Electronic Noise-Cancelling Aviation Headset
Telex 850 Airman Anr Pilot Headset
eXuby Digital Converter Box + Flat Antenna + RF Cord for Recording & Watching Full HD Digital Channels for Free (Instant & Scheduled Recording, 1080P, HDMI Output, 7 Day Program Guide & LCD Screen)
Wsdcam 10-Pack BNC Female to BNC Female Jack Straight Convert Connector Adapter
Helect H1002 2-Line Engineering Scientific Calculator
Amazon Basics 50-inch Lightweight Camera Mount Tripod Stand With Bag 













