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  1. How Smart Surveillance Identifies and Prevents Threats - Sentry Security

    Sentry Security, based in Illinois, offers smart surveillance systems designed to identify and prevent threats effectively. With advanced technology and real-time monitoring, they help CEOs and …

  2. What Happens to 911 Access When Landlines Are Shut Down?

    When landlines go away, 911 access can change. Learn how alarm systems handle emergencies & how Sentry Security keeps Illinois homes and businesses protected.

  3. Security Systems - Sentry Security

    Oct 23, 2025 · As a Chicago-based security provider with decades of experience, Sentry Security has helped senior living communities, retirement residences, and elder care facilities across Illinois...

  4. AT&T Landline Phase-Out Illinois: Secure Your Home Alarms Today

    AT&T ending copper landlines in Illinois on or after March 15. Don't lose your home security alarms, medical monitoring, or 911 access upgrade to Sentry Security's reliable wireless cellular systems.

  5. Will Your Security System Work After AT&T Landlines Are Discontinued?

    AT&T is discontinuing landlines. Learn if your alarm, fire, or medical monitoring system will still work & how Sentry Security protects Illinois homes and businesses.

  6. Smart Property Protection in Chicago - Sentry Security

    Jul 24, 2025 · Find how Sentry Security and RapidLite SOS help Chicago property owners create safer, smarter, & more marketable homes and buildings.

  7. How Video Analytics Can Improve Safety in Illinois Senior Care Centers

    Sentry Security provides tailored security solutions integrating AI, video analytics, and emergency response systems, ensuring comprehensive protection for Illinois senior care centers.

  8. How Video Surveillance Systems Helps Combat Corporate Threats

    Sentry Security helps you monitor key areas of your business, preventing internal risks, like employee theft, or external threats, like break-ins. With real-time footage and alerts, you can spot suspicious …

  9. The Importance of Biometric Access Control for Multifamily …

    Sentry Security offers the highest level of biometric access control and integrated security systems in Illinois. Contact us today at 847.353.7200 or email us at service@sentrysecurity.com to get started.

  10. Municipal Security Solutions for Parks & Public Spaces | Chicagoland

    Ensure safe and efficient public spaces with Sentry Security's advanced municipal security solutions, featuring 911inform, integrated systems, and 24/7 monitoring in Chicagoland.