The Univois UC400 Dual-Mode IP Phone is a flagship-grade communication terminal designed for executives, receptionists, and enterprise users handling high call volumes and multiple lines. Integrating SIP VoIP and USB conferencing in one premium device, UC400 delivers an exceptional unified communications experience for demanding business environments.
In VoIP mode, UC400 supports 18 SIP accounts and up to 90 programmable DSS keys, making it ideal for managing complex call scenarios. Its 4.5-inch 480×854 color display provides a large, intuitive interface for effortless navigation and visual clarity. It supports two external expansion modules (up to 72 additional DSS keys), offering unmatched scalability for enterprise reception or operator consoles.
In USB mode, the UC400 functions as a Teams and Zoom control terminal, allowing users to answer, transfer, mute, or end calls and adjust PC audio volume directly from the phone. Both VoIP and USB calls can ring simultaneously, and users can switch between them seamlessly.
UC400 features HD voice with G.722 and Opus, Gigabit Ethernet, PoE power, EHS headset support, and USB charging. With robust security (TLS, AES, 802.1X, and VPN), multi-language UI, and professional-grade components, it delivers the highest standard of voice performance, reliability, and usability for executive desks and high-end workstations.
Key Features:
Dual-mode operation: SIP (VoIP) + USB (Teams / Zoom control)
HD voice with G.722 and Opus codecs
18 SIP accounts and 90 DSS keys (expandable with two modules)
4.5” 480×854 color display for enhanced visibility
Two Gigabit Ethernet ports (10/100/1000M)
EHS headset and Bluetooth support
USB charging and PoE power supply
Advanced call management, LDAP, BLF/BLA, and TR-069 provisioning
Multi-language LCD and web interface
Executive-grade design with superior durability
Ideal for:
Executives and receptionists managing multiple lines
Enterprise communication hubs and operator desks
Organizations requiring advanced scalability and control
| Model | Univois UC400 Dual-Mode IP Phone (VoIP + USB) |
| Display | 4.5” 480×854 pixel color LCD |
| VoIP Accounts | 18 SIP accounts |
| DSS Keys | 90 programmable DSS keys, expandable with 2 modules (72 extra keys) |
| Network | 2 × RJ45 Gigabit Ethernet ports (10/100/1000M) |
| Dual Mode | VoIP (SIP) + USB (Teams / Zoom control) |
| Audio Quality | HD voice, full-duplex hands-free speakerphone |
| USB Audio | Supports PC USB audio and call control |
| Phone Features | |
| Soft Keys | Programmable soft keys and DSS layout |
| Call Features | Hold, transfer, forward, DND, conferencing, voicemail LED |
| Phonebook | 2000 enterprise + 1000 personal entries, LDAP, XML input/output |
| EHS | Electronic Hook Switch supported |
| USB Charging | USB device charging supported |
| Security | |
| Encryption | TLS, AES, MD5 authentication |
| VPN | L2TP / OpenVPN / 802.1X |
| Physical & Power | |
| Keys / LEDs | 49 keys, 21 LEDs |
| Interfaces | 1×RJ-9 handset, 1×RJ-9 headset, 1×USB, 2×RJ45 Gigabit |
| Power Supply | DC 12V/1A or PoE IEEE 802.3af Class 0 |
| Consumption | 2.5–3.5 W |
| Dimensions | 245 × 178 × 64 mm |
| Humidity | 10–90% |
| Mount | Desktop stand (optional wall mount) |
