Telephony Systems

Multi-Line Long-Range Phones

These multi-line long-range phones offer coverage over a wide area within diverse environments, from large retail stores and warehouses to assisted living facilities. The base can work behind any analog phone line and support multiple handsets.

  • Three Models: DuraFon PRO, DuraFon UHF & DuraFon SIP
  • Long-Range Telephone
  • Long-Range Broadcast & Intercom Between Handsets
Model Approx. Range
Store/Warehouse
Approx. Range
Office/Motel
Approx. Range
Farm/Ranch
Private Intercom
& Broadcast
Handset Style Optional Two-Way
Radio Only Handset
DuraFon PRO

Long-Range Multi-Line Cordless Phone System

250,000 sq. ft. 12 floors 3,000 acres Yes Durable DuraWalkie
DuraFon SIP

Long-Range SIP Cordless Phone System

250,000 sq. ft. 12 floors 3,000 acres Yes Durable N/A
DuraFon UHF

Long-Range Multi-Line Cordless Phone System

250,000 sq. ft. 12 floors 3,000 acres Yes Durable DuraWalkie

Durable Style

The durable handsets of the DuraFon PRO, UHF, SIP, and DuraWalkie make them ideal for environments that require users to carry the handset for voice communications as they roam around a location. They are ideal for properties like retail stores, warehouses, farms, and assisted living facilities.

DuraFon PRO Highlights

The DuraFon PRO system includes four (4) ports per base and supports up to 90 total handsets. The system is easily expanded up to eight (8) base units for 32 ports. The DuraFon PRO system includes a base and one (1) DuraFon PRO Handset. Additional handset options include: DuraFon PRO, UHF and DuraWalkie.

DuraFon UHF Highlights

The DuraFon UHF system features four (4) ports per base and supports up to 90 total handsets. The system is expandable up to eight (8) base units for 32 ports. The DuraFon UHF system includes a DuraFon PRO base and one (1) UHF Handset. The handset options are same as PRO system, and it will work with other manufacturer’s UHF radios.

DuraFon SIP Highlights

The DuraFon SIP system will support 10 SIP accounts and allows up to 4 concurrent talk paths. The system is expandable to 10 DuraFon SIP Handsets in total. The system includes a DuraFon SIP base and one (1) DuraFon SIP Handset.

DuraFon TAP Highlights

The DuraFon PRO-TAP-DB9 and PRO-TAP-USB systems are long-range cordless phones that can integrate with nurse call systems via DB9 or USB connectors. They offer healthcare organizations one convenient handset that combines phone access, two-way radio, and nurse call alerts.




See All Models


Back to Top

DuraWalkie Case Study: Warner Middle School

Warner Middle School replaced standard walkie-talkies with EnGenius DuraWalkies to improve staff communication, enhance security, and increase efficiency.

Case Studies

Advanced Technology’s clients needed a cordless phone system with extended ranges.

Learn More >