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About SENTRY by SYSTM - a revolutionary new VoIP security platform

Designed by the experts at SYSTM to protect any on-premise, SIP-enabled PBX, SENTRY provides carrier-grade security technologies, delivered in a simple, fully automated appliance.


  • Plug and Play installation
  • Automatic Updates
  • Maintenance Free
  • Instant Protection
  • Protects any PBX
  • Lifetime Warranty

Key Features

  • Flood Watch – Rate limits typically exploited services
  • Geo Wall – Blocks countries that are known threats
  • Scanner Shield – Block malicious scanners from finding your PBX
  • Active Guard – Connects to SGDN for 24x7 updates to your SENTRY protection

Quick Product Overview 

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The security appliance, from the experts at SYSTM
• Small form factor, shelf-ready, security appliance
• Protects any on-premise PBX that connects to the internet
• Installs “in line” with your PBX, in minutes
• Provides instant VoIP security
• Leverages SGDN, the SYSTM global emerging threat detection network
• Works without interrupting your current network configuration


• Easy Installation
• Installs in less than 5 minutes
• Zero network reconfiguration required
• A true Plug and Play solution
• Enhanced Security
• Makes IP PBX invisible to over 98% of SIP scanners immediately
• Rate limits of SSH, SNMP, NTP, ICMP, and SIP
• Actively blocks malicious hackers via SGDN
• Completely automated requires no maintenance
• Simplified Support
• Easy, central ticketing support
• Lifetime hardware warranty
• No need to configure – simply plug your new SENTRY into your network

Interested in a Hosted solution? Click here to learn more about SYSTM!

Get a Quote Through VoIP Supply Today!

SENTRY Documents