The HDE Range represents Guardian’s line of versatile Heavy Duty Emergency Telephones, designed to provide a reliable two-way link for emergency, access, or information assistance in challenging environments. Available in both analog (HDE) and VoIP (HDE-V) configurations, these units are engineered to withstand vandalism, moisture, dust, and corrosive chemicals.
Built to Withstand The HDE Range offers various models for recessed or wall-mount installations, featuring single emergency buttons or combined call buttons and 12-digit keypads. This makes them ideal for a wide array of applications—from universities and public access areas to industrial parks and transit facilities.
Key Features & Benefits
VoIP Sitara Class Control Module
The new OS with web interface to support product configuration easier with logs and status bars. Enhanced self-diagnostics. Interactive help.
Supports the latest security protocols (ie: TLS1.2) while still maintaining backwards compatibility.
SSL Certificates are supported. Web Interface Screen for SSL. Allows import of web, client and auto provisioning Client Certificates.
Compatible with SIP-based IP-PBX servers that comply with SIP (RFC 3261).
"Full" duplex operation.
PoE 802.3af, 802.3at & 802.3bt enabled (Power-over-Ethernet) or alternate power source (24VDC).
Full duplex voice w/adaptive echo canceling.
Auxilliary Relay to control external devices with multiple control modes.
Network web management interface.
Real-Time monitoring with iGuard (iGuard is an encrypted, on prem or cloud-based platform that allows you to configure, monitor and maintain deployed Guardian endpoints).
HDE-V models with an "Emergency" push button – depressing the button once automatically rings a designated number to summon help.
HDE-V models with a keypad can be configured for manual dialing.
Guardian Heavy Duty Emergency Telephones Analog
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