If your home security system still uses a landline, it may stop working as phone companies retire copper networks across Illinois.
That affects alarm monitoring, medical alerts, fire protection, and 911 access. The good news? You can fix it before service is interrupted.
Sentry Security helps Illinois homeowners stay protected without landlines.
847.353.7200 | service@sentrysecurity.com | www.sentrysecurity.com
What’s Changing in Illinois
Traditional phone lines are being phased out in favor of newer technology. While that works for calls, many home alarm systems were never designed for it.
If your system still plugs into a phone jack, it may no longer reach professional monitoring or emergency services.
Why Homeowners Need to Act Now
Waiting creates real risks:
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Alarm signals may fail
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Medical alert devices may not connect
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911 response could be delayed
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Insurance or safety expectations may not be met
Sentry Security upgrades systems to modern communication paths that stay connected when landlines go away.
How Sentry Security Protects Your Home
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Landline-free communication using wireless security systems
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Professionally designed solutions backed by system design and engineering
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24/7 monitoring and proactive maintenance and inspections
Homes Most Affected
This matters most for:
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Homes with older alarm panels
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Residences using medical monitoring
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Multifamily buildings with shared systems
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Homes relying on alarms for insurance compliance
If your alarm still uses a phone line, it’s time to upgrade.
Trusted Across Illinois
Sentry Security is a proven local provider with recognized awards and documented results in real-world case studies.
Homeowners choose Sentry for reliability, responsiveness, and long-term support.
What to Do Next
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Check if your alarm system uses a landline
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Schedule a quick system review
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Upgrade before phone service is shut off
Request a quote or call 847.353.7200 today.
Sentry Security
Install. Monitor. Maintain. Inspect.