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Description
EnGenius DURAFON-SIP Durable, Long-Range SIP Cordless Phone System (Base Unit)Long Range SIP Cordless Phone System Multi Mode Communications Works with IP PBX, SIP Systems Secure 900 MHz FHHS Supports 10 SIP Accounts per Unit Web Based Phone Book 1 x RJ 11 Telephone Interface 1 x RJ 45 VoIP Interface Integrated Status LED Indicators When long range communications are a necessity, the DuraFon SIP Durable, Long Range SIP Cordless Phone System from EnGenius provides a secure wireless signal at distances of up to 250,000 square
- Long-Range SIP Cordless Phone System
- Multi-Mode Communications
- Works with IP-PBX, SIP Systems
- Secure 900 MHz FHHS
- Supports 10 SIP Accounts per Unit
- Web-Based Phone Book
- 1 x RJ-11 Telephone Interface
- 1 x RJ-45 VoIP Interface
- Integrated Status LED Indicators
When long-range communications are a necessity, the DuraFon-SIP Durable, Long-Range SIP Cordless Phone System from EnGenius provides a secure wireless signal at distances of up to 250,000 square feet and can penetrate through 12-floors when used indoors. This cordless phone system supports the SIP protocol making it easy to integrate this system into an existing VoIP configuration. Once configured, the DuraFon-SIP supports up to four simultaneous SIP calls or three SIP calls and a single PSTN call. In addition to multiple call support, an integrated 2-way intercom allows for instant, private communication between two users on the network. Operating on the secure 900 MHz frequency, calls and communication remain secure while the durable, rugged design ensures this base unit can withstand harsh conditions.
- Faster Deployments
- This 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.
- Flexible and Easy-to-Deploy
- The DuraFon-SIP can be 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.
- 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.
- Long-Range Performance
- The DuraFon-SIP implements a high-powered 900 MHz 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 and penetrating up to 12 floors.
- Secure Wireless Communications
- Adopting 900 MHz (902~928 MHz) FHSS (Frequency Hopping Spread Spectrum) technology, the DuraFon-SIP ensures secure communications during conversations.
- Single Cell Technology Minimizes Equipment Needs
- 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.
- Operates Independently of Wi-Fi Networks
- The 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 900 MHz frequency, there is also no need to worry about the DuraFon-SIP causing interference to existing 2.4 GHz and 5 GHz Wi-Fi.
In the Box
EnGenius DURAFON-SIP Durable, Long-Range SIP Cordless Phone System (Base Unit)
- AC/DC Adapter
- Charger AC/DC Adapter
- RJ-11 Telephone Cable
- RJ-45 Ethernet Cable
- 2 x Feet
- 2 x Screws
- Limited 1-Year Manufacturer Warranty
| Buttons | Volume UP Volume DOWN 1 x REG 1 x RESET Broadcast Intercom |
| Jack | Line x 1 LAN x 1 Audio-In x 1 Type-B USB x 1 DC x 1 Grounding |
| LED Indicators | POWER In-Use Intercom Broadcast |
| Frequency | 902-928 MHz |
| RF Power | Peak: 708 mW Average: 354 mW |
| Channel Spacing | 200 kHz |
| Number of Channels | 128 |
| Modulation | MSK |
| Multiple Access | Frequency Hopping TDMA |
| Frequency Hopping Rate | 100 per second |
| TDMA Frame Length | 10 ms |
| Number of Talk Paths | 4 |
| Receiver Sensitivity | < -108 dBm (@ BER 10-2) |
| Antenna Connector | Reverse TNC |
| Antenna Gain | 2 dBi (included) 6 dBi outdoor (optional) 2.7 dBi indoor (optional) |
| Telephone Interface | 1 x RJ-11 |
| VoIP Interface | 1 x RJ-45 |
| Default IP Address | 192.168.1.156 |
| Default User Name & Password | admin/admin |
| SIP | RFC 3261 |
| Speech Coding | 64 kbps G.711a, G.711u 8 kbps G.729A |
| Channel Coding Section | 8 kbps Convolutional + CRC |
| Transmission Data Rate | 170.667 kbps |
| User Data Rate | 128 kbps Duplex |
| Duplex Mode | Time Division Duplex (TDD) |
| Voice Quality | TIA/EIA-470B |
| Number of System IDs | 65,536 |
| Ring Signal | 20-50 Hz, 15-90 Vrms |
| Flash Time | 100-900 ms programmable |
| Power Source | 100~240 V / 12 V; AC/DC Adapter |
| Regulation Compliance | FCC Part 15, Part 68 |
| Temperature & Humidity | Operating Temperature: 32 to 122�F / 0 to 50�C Storage Temperature: 14 to 158�F / -10 to 70�C Humidity: 20 to 75% |
| Dimensions | 6.3 x 16.5 x 7.4" / 161 x 42 x 188 mm (without antenna) |
| Weight | 1.90 lb / 0.86 kg |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Medias
Size: One Size, Color: (403) Washed Navy / White / Halo Gray
Muy buenas, cómodas me encantaron
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
★★★★★ 5
Excellent sport sock!
Size: One Size, Color: (100) White / White / Halo Gray
Molds onto foot, super soft and breathable. A lot of my ankle socks tend to slip or cut off blood circulation. This one literally is a perfect fit. No slip. After playing hours of tennis every week, my feet don't feel sore or bruised. Must buy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 9, 2025
★★★★★ 5
Comfort!
Size: One Size, Color: (100) White / White / Halo Gray
Very comfortable! Thinner than the picture shows, but I like the fact that they are no show but still higher in the back and front to protect my heels and such.
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Reviewed in the United States on September 6, 2025
★★★★★ 1
Sizing way off
Size: One Size, Color: (100) White / White / Halo Gray
These were my favorite socks, at least the old style was. They redid them and I was okay with it. However, I don't understand how they are a one size fits most. I tried them on and they were still too big at the top. There was so much extra fabric at the toes. For reference, I wear a size 8.5 women's shoe, typically. The packaging says fits most from size 5.5 to 12. I don't understand how it fits that wide range of shoe size. Definitely returning these and I will be buying something else.
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Reviewed in the United States on October 10, 2024
★★★★★ 5
Genial
Size: One Size, Color: (015) Tetra Gray / Gray Matter / White Quartz
Me encanta la textura y sobre todo que tiene para que siempre sepas en cuál pies va!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 29, 2025
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