EnGenius DURAFON‑SIP — Long‑Range SIP Cordless Phone System (Up to 3,000 Acres, TAA Compliant)

Industry‑Leading Long‑Range SIP Cordless System for Enterprise, Industrial & Government Environments

The EnGenius DURAFON‑SIP is a TAA‑compliant, long‑range SIP cordless phone system engineered for expansive properties, rugged industrial environments, and mission‑critical voice communication. Delivering up to 3,000 acres of outdoor coverage, 12 floors of in‑building penetration, and support for 10 SIP accounts and 10 handsets, the DURAFON‑SIP provides unmatched mobility, reliability, and durability where DECT and Wi‑Fi phones fall short.

Operating on secure 900 MHz FHSS, the system integrates seamlessly with any IP‑PBX or hosted VoIP provider, supports four concurrent calls, and includes a two‑way intercom for instant communication. Its TAA compliance makes it suitable for government, defense, and regulated procurement environments.

Key Features

• TAA Compliant — Approved for government and public‑sector procurement

• Industry‑Leading Range — Up to 3,000 acres outdoors and 12 floors indoors

• SIP‑Ready — Supports 10 SIP accounts and 4 concurrent calls

• Secure 900 MHz FHSS — Long‑range, interference‑resistant communication

• Rugged Handset Design — Drop‑tested, shock‑resistant, and built for industrial use

• Two‑Way Intercom — Instant handset‑to‑handset communication

• Expandable System — Supports up to 10 handsets per base

• Works with Any SIP Provider — Compatible with IP‑PBX and hosted VoIP

• Ideal for Harsh Environments — Warehouses, agriculture, manufacturing, hospitality, and large campuses

Technical Specifications

• Frequency: 900 MHz FHSS

• Range: Up to 3,000 acres outdoors; 250,000 sq. ft. indoors

• Vertical Penetration: Up to 12 floors

• SIP Accounts: 10

• Concurrent Calls: 4 (SIP or PSTN)

• Intercom: 2‑way handset‑to‑handset

• Compatibility: Works with all major SIP platforms

• Durability: Ruggedized handset with reinforced housing

• Compliance: TAA Compliant, FCC

Ideal Use Cases

• Government & public‑sector facilities

• Large campuses & multi‑building properties

• Warehouses, distribution centers & logistics

• Agriculture, ranches & outdoor operations

• Hotels, resorts & hospitality

• Manufacturing plants & industrial sites

• Auto dealerships & retail floor operations

What’s Included

• 1 × DURAFON‑SIP Base Unit

• 1 × Rugged Handset

• 1 × Battery Pack

• 1 × Charging Cradle + AC Adapter

• 1 × Belt Clip

• 2 × Handset Antennas (low‑profile + high‑gain)

• 1 × Base Antenna

• Quick Start Guide

Compliance & Warranty

• Compliance: TAA, FCC

• Warranty: Manufacturer warranty (1 year)