Product Type | Base Unit for Cordless Phone System |
Form Factor | Desktop |
Multiline Operation Capability | 4-line operation |
Dialer Type | Keypad |
Display Type | LCD Display - Monochrome |
Speakerphone | Yes |
Caller ID | Yes |
Included Handsets | None (Base Unit Only) |
Key / Function Buttons | Speakerphone button, intercom button, mute button |
Additional Features | Key lock, vibration alert, music on hold, call timer |
Power Requirements | AC Adapter (included) |
UPC | 655216003170 |
Manufacturer Part Number | DURAFONPRO-BU |
Manufacturer | ENGENIUS |
Engenius DuraFon PRO Base Unit, 4-Line Expansion, No Handset



Key Benefits

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- Ideal expansion module for businesses needing additional four-line support in existing DuraFon PRO systems
- TAA compliance and Taiwan manufacturing make it suitable for government or federally regulated environments
- Integrated features like music on hold, call timer, and vibration alert enhance communication flexibility
Product Overview
The Engenius DuraFon PRO Base Unit (DURAFONPRO-BU) is a powerful expansion module engineered to extend the capabilities of existing DuraFon PRO systems. This base unit supports four-line operation and is equipped with a keypad dialer, monochrome LCD display, and integrated speakerphone. Designed for business environments requiring robust, scalable telephony solutions, it features key communication tools such as call timer, music on hold, vibration alert, and key lock functionality.
Functionality is optimized with dedicated intercom, speakerphone, and mute buttons, allowing efficient intra-office communication. The unit’s durable construction and straightforward interface ensure easy integration into existing systems. Manufactured in Taiwan and TAA compliant, it is ideal for federally funded projects. Measuring 11" x 8.5" x 2.1", it fits well into diverse workspaces. Note: handsets are not included.
Specifications
Product Overview
Physical & Environmental
Width | 11.00 inches |
Depth | 8.50 inches |
Height | 2.10 inches |
Mounting Options | Desktop |
Enclosure Type | Plastic |
Operating Temperature | 0°C to 40°C (32°F to 104°F) |
Storage Temperature | -20°C to 60°C (-4°F to 140°F) |
Operating Humidity | 10% to 90% (non-condensing) |
Cloud Management & Licensing
Cloud Managed | No |
Management Interface | Local Configuration via Base Unit |
Licensing Requirements | None for Base Unit Operation |
Interfaces
Line Interface Support | 4 RJ11 Line Ports |
Intercom Functionality | Yes, Dedicated Button |
Handset Synchronization | Supports up to 90 Handsets with Additional Base Units |
Expansion Capability | Yes, Supports up to 8 base units |
Compliance & Origin
Country of Origin | Taiwan |
TAA Compliant | Yes |
Certifications | FCC Part 15, FCC Part 68 |
Advanced Security Features
Signal Encryption | Yes, FHSS Technology |
Device Authentication | Yes |
Secure Handset Registration | Yes |