SENTRYSECURE.COM

SENTRY was built from the ground up to make it simple for you to protect both new and existing on-premise VoIP infrastructure... SENTRY delivers instant protection from over 98% of malicious scanners, provides rate limiting for known exploited services, and blocks baddies 24/7... SENTRY leverages the SYSTM global threat detection network to deliver continious definition updates for known and emerging threats.