Durable, Long-Range SIP Cordless Phone System
The DuraFon-SIP is the industry’s first durable, long-range SIP cordless phone.

The DuraFon-SIP Cordless Phone System delivers industry-leading range, durability and reliability, in a flexible, multimode communications platform that provides users with the lowest total cost of ownership (TCO) in the industry. This durable, long-range SIP cordless phone provides up to 250,000 square feet of facility coverage, penetrates up to 12-floors for in-building coverage and up to 3,000 acres of property in open land coverage.

It supports both SIP and one PSTN line analog and is ideal for companies with an existing IP-PBX system on the premises or those using hosted VoIP services that require reliable, long-range communications over large areas or in harsh environments. Such as, organizations whose staff work on large properties outside of a conventional office, or venues where employees need to stay in constant contact with a main office or management team and where Wi-Fi or DECT phones can’t reach. These may include:

An expert in wireless communications and RF technology, EnGenius delivers feature-rich, long-range wireless communications technology for voice and data. The versatility and performance of the company’s solutions lower total cost of ownership, increase productivity and maximize efficiency and performance to a large number of clients simultaneously.

Premises Mobility Communications Solution

DuraFon-SIP is a powerful, reliable, versatile multi-mode communications system that delivers industry-leading range and durability while providing significantly lower CAPEX and OPEX when compared to other SIP cordless phone solutions Lower CAPEX, faster deployments: DuraFon-SIP features EnGenius’ high-power, easy-to-deploy single-cell technology that covers up to 250,000 sq. ft. indoors, 3,000 acres outdoors and penetrates up to 12 floors, minimizing the amount of equipment required. Reduced OPEX, less downtime: The proven durability of the DuraFon series – over 10 years of continued innovation and testing – ensures that the phones will survive in the most challenging environments where handsets are subjected to drops and shocks Flexible and easy-to-deploy: Easily configured via the Base Station web interface, DuraFon-SIP supports both PSTN and SIP functions, and works with any IP-PBX system that supports the standard SIP protocol. In addition to long-range connectivity, the multi-mode system also enables users to communicate via 2-Way Intercom and PTT Broadcast modes

Flexible, Multi-Mode Communications

Independent 2-Way Intercom The DuraFon-SIP’s Handset provides direct handset-to-handset communication without going through the Base Station for quick contact with specific users without group chatter. Broadcast Feature DuraFon-SIP offers the favored, “Push-to-Talk” feature through the Handset’s Broadcast button, allowing users to create 1-way communications for 1-to-All or 1-to-A Handset Group for instant response without the wait. Dual Interface Support for both SIP and PSTN lines permit the connection of the Base Station to a legacy PBX, IP-PBX or preference service provider and gives users up to four (4) talk paths via four (4) digital calls or three (3) digital calls and one (1) analog line.

Easy Phone Book and System Configuration Management

Easily configure and manage the master phone book via the DuraFon-SIP Base Station Web Interface and effortlessly transfer updates to each Handset via air.

Durable, Ruggedized Design

The DuraFon-SIP’s durable, rugged Handset is designed for use in harsh environments and tested to withstand 6-foot drops, over 50 times onto concrete floors without breaks.

Superior Long-Range Performance

DuraFon-SIP implements a high-powered 900MHz proprietary air protocol, with high RF transmission and sensitivity to provide superior range and coverage for the industrial market; covering up to 250,000 sq. ft. indoors, 3,000 acres outdoors canada goose femme pas cher and penetrating up to 12 floors.

Highly Secure Wireless Communications

Adopting 900MHz (902~928MHz) FHSS (Frequency Hopping Spread Spectrum) technology, the DuraFon-SIP ensures secure communications during conversations.

Single Cell Technology Minimizes Equipment Needs, Saves Money

Designed to simplify deployment, the DuraFon-SIP features single cell technology that leverages a single 900 MHz Base Station for long-range coverage, eliminating the need for added Base Stations or repeaters, helping companies lower their capital expenses through faster deployment.

10-Years of Trusted Reliability

The DuraFon-SIP shares the trusted, proven durability of the popular DuraFon Series with over 10 years of continued innovation and testing that ensures the Handsets will survive in even the most challenging environments where they are subjected to drops and shocks.

Lowest Total Cost of Ownership Available for SIP Deployments

Unlike other SIP systems, the DuraFon-SIP offers the lowest TCO available for SIP deployments. By simplifying and expediting system deployments, the DuraFon SIP lowers overall equipment costs and ensures less downtime through its proven reliability, reducing overall operating expenses for the life of the system.

Operates Independently of Wi-Fi Networks

DuraFon-SIP operates independently of your existing Wi-Fi network, which means you don’t need to be concerned with roaming or QoS issues that are typical with voice communications on a WLAN. By using the 900MHz frequency, there is also no need to worry about the DuraFon-SIP causing interference to existing 2.4 GHz and 5 GHz Wi-Fi.

  • Large Resort Properties
  • Schools, Colleges and Universities
  • Golf Courses
  • Warehouses
  • High-Rise Hotels
  • Expansive golden goose Agricultural Properties
  • Industrial Plants
  • Oil and Gas Fields
  • Convention Centers
  • Amusement Parks
  • Assisted Living Facilities
  • Auto Dealerships
  • Retail and Grocery Stores


  • SIP
  • Voice codec: G.711a, G.711u, G.729A
  • SIP protocol: RFC3261
  • Hold: RFC3264
  • Transfer: RFC3515, RFC3891, RFC3892
  • Support nike air max femme pas cher Outbound Proxy
  • DNS SRV Support
  • Long-Range
  • 12 Floors In-Building Penetration
  • 250,000 sq. ft. of Facility Coverage
  • 3,000 Acres of Property, Open Land Coverage
  • Durable
  • Tested to withstand 6-Foot Drops, Over 50 Times onto Concrete Floors
  • Handset Features
  • Telephone
  • 2-Way Radio
  • User Handset Naming
  • Keypad Lock
  • Speakerphone
  • Caller ID
  • Call Waiting
  • Vibrate Mode
  • Line Select
  • 2.5 mm Headset Jack
  • Call Logs – Dialed & Received
  • Redial
  • Speed Dial
  • Call Hold
  • Call Transfer
  • Wireless PBX Function Sharing
  • Wireless Phone Book Sharing
  • Silent Ring
  • Mute
  • 900 MHz, DSS, Frequency Hopping
  • Selectable Handset Grouping (7 groups)
  • User Programmable PBX Functions
  • Phone Book Supports 50 Entries
  • Intercom (Handset-to-Handset), no group chatter
  • PTT Broadcast (One-to-Many)


  • Long Range SIP Cordless Phone System
    – Up nike huarache pas cher to 12 Floors In-Building Penetration
    – Up to 250,000 sq. ft. of Facility Coverage
    – Up to 3,000 Acres of Property, Open Land Coverage
  • Multi-Mode Communications
    – Base Supports up to Four (4) Concurrent Calls
    (4-SIP or 3-SIP + 1-PSTN)
    – Works with any IP-PBX that Supports Standard SIP Protocols
    – Independent 2-Way Intercom
    – “Push-to-Talk” PTT Broadcast Feature
  • Proven Durability with Ruggedized Design
  • Secure 900 MHz (902 ~ 928MHz) FHSS
  • Supports up to 10 SIP Accounts per Base Station
  • Web-Based Phone Book & System Configuration
  • System
  • 1 LAN and 1 PSTN Ports per Base Unit
  • Removable Base Antenna
  • Flexible Port Dedication: Single, Group or All
  • Standard SIP Protocol Connection
  • Any Analog Line Connection: Landline, ATA, Cellular, VoIP or Satellite
  • Supports Ring Groups & Hunt Groups
  • Type I/II Caller ID (FSK and DTMF)
  • Visual Message Waiting Indication (VMWI) for PSTN
  • Conference Calling
  • Modifiable Flash and DTMF Tone Timing
  • Secure, Digital Spread Spectrum w/Frequency Hopping Technology
  • Battery nike air max pas cher & Charger
  • Li-Ion Technology
  • 6-Hours of Talk Time
  • 50-Hours of Stand-By Time
  • Handset & Spare Battery Charging Slots
  • 4-Hour Recharge Time
  • Battery Hot-Swap While Call is On-Hold
  • Optional Equipment
  • External Base Antenna Kits: Optional indoor or outdoor antenna with 20 meter loss
  • LMR-400 cable
  • Lighting Protection Kit
  • Antenna Splitter
  • DuraPouch Phone Case
  • DuraFon SIP Value
  • No Monthly Bill (like cellular)
  • No Per Minute charges (like cellular)
  • No Contracts (like cellular)
  • No Annual FCC License Fees (like 2-way radios)
  • No Extensive Infrastructure Installation (like wireless networking, Wi-Fi phones)
  • No QoS Concerns
  • No Wireless Network Interference
  • Manufacturer’s Part Numbers
  • DuraFon-SIP System
  • DuraFon-SIP HC (Handset)
  • DuraFon-SIP BU (Base Station)


Environmental & PhysicalBase StationPortable Handset
Operating Temperature0 – 50 °C / 32 – 122 °F-10 – 60 °C / 14 – 140 °F8
Storage Temperature-10 – 70 °C / 14 – 158 °F-10 – 70 °C / 14 – 158 °F
Humidity20 – 75 %20 – 75 %
Dimension without Antenna161W x 42D x 188H (mm)
6.3” x 16.5” x 7.4”
161W x 58D x 31H (mm)
6.3” x 2.2” x 1.2”
Device Weight1.9 lbs.1.6 lbs.

DuraFon-SIP PackagingSystemBase StationHandset
Weight3.98 lbs.2 lbs.1.7 lbs.

Master CartonSystemBase StationHandset
Weight26 lbs.13.5 lbs.11.4 lbs.

PackageContentsBase Station Handset
Base Station1 (antenna installed)1NA
Base AC/DC Adapter11NA
Handset1 (antenna installed)NA1 (antenna installed)
Handset Antenna1 (Long x1)NA1 (Long x1)
1700mA Li-ion Battery Pack1NA1
Desktop Charger1NA1
Charger AC/DC Adapter111
Quick Guide111
Telephone Cord11NA
RJ-45 Cable11NA
Base Feet & Screwse2 (feet), 2 (screws)2 (feet), 2 (screws)NA
Warranty1 Year1 Year1 Year
FCC CertifiedYesYesYes



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