USB & VoIP Conference Phone

Revolabs FLX UC 1000/1500

Combining superior speaker, microphone, and audio processing technologies, this line of conference phones sets a new audio standard for conference calls, desktop audio, and PC communication tools.
USB + SIP Audio for a wide variety of workspaces.
USB & VoIP Conference Phone Use Case 1

Designed to offer a greater audio frequency range than conventional devices, these phones deliver crisper, richer tones to facilitate remarkably clear communication.

USB & VoIP Conference Phone Use Case 2

With designs suited for huddle rooms, large conference rooms, and every space in between, these phones offer smart features that will make the most of your space.

FLX UC 1000 Conference Phone


FLX UC 1000 Conference Phone
  • High fidelity audio for authentic sound with dual tweeter and mid-woofer elements and full 20 KHz bandwidth
  • Standard SIP Support for IP PBX’s and cloud or on-premise environments
  • Full duplex technology with four microphones incorporating fully integrated echo cancellation for clear conference calls and high volume
  • Enables unified communications by supporting both USB audio and SIP telephony
  • Allows users to connect to IP telephone systems and laptop, PC, or tablet for use in communication applications such as Microsoft Teams, Zoom, WebEx and more
  • Serves as a bridge between communications channels, allowing a mix of SIP and USB audio conference calls
  • Designed for bring-your-own-device environments such as offices, huddle rooms and small conference rooms

FLX UC 1500 Conference Phone, 2 Extension Mics


FLX UC 1500 Conference Phone, 2 Extension Mics
  • Directional extension microphones (2 included in the FLX™ UC 1500) for audio capture in larger conference rooms
  • Ultra-wideband support (up to 16kHz input, 20kHz output)
  • High fidelity and full-duplex audio for authentic sound with tweeter and mid-woofer elements
  • Four corner microphones for 360° audio coverage SIP support for IP PBX’s and cloud or on-premise environments
  • Call bridging between VoIP and USB conference calls
  • Fully integrated Acoustic Echo Cancellation (AEC) for crystal clear audio
  • Enables unified communications by supporting both USB audio and SIP telephony
  • Connect to IP telephone systems and softphone applications such as Microsoft Teams, Zoom, WebEx and more
  • Designed for VoIP and BYOD (bring-your-own-device) environments

Specs & Details


Call Handling
Make Call, Answer, Hold, Resume, Transfer (Blind and Supervised), Forwarding, Do not disturb, Redial, Call Timer, Call ID, Speed Dial, Missed Call Notifications, Voice Mail Notifications (switch-configured)
Call Bridging
Supports Bridging SIP and USB Calls. Join, Split, Hold, Resume, 3+1 Lines: Up to 2 SIP calls, 1 USB call, plus the user
G.711 (A-law and μ-law), G.722, G.726, G.729
DTMF Support
RTP event, SIP in-band, SIP info package support
SRTP/SRTCP Support (RFC 1889), IETF SIP support (RFC 3261 and companion RFCs), SSIP, Passwordprotected configuration files, Password protected login, HTTPS Secure Provisioning
Network provisioning
DHCP or Static IP, Server Based Central Provisioning, Web Portal for Individual Unit Configuration


Base Unit
Capacitive Touch Buttons for On-Hook, Off-Hook, Volume Up/Down, Mute
Dialer Keypad
12-key telephone keypad, 4 context-dependent soft keys, 5 Navigation buttons with select key, On-Hook, Off-Hook, Volume Up/Down, Mute, Redial, Menu
Dialer Display
3.5in diagonal color graphics display, 480x320 pixels
User Interface
Date & Time Display, User-configurable Local Contact List, Call History (Missed Calls, Placed Calls, ReceivedCalls), User-Selectable Ring Tones, Unicode UTF-16 Character Support, Multilingual User Interface Capacitive
Extension Mics
Touch Button for Mute and Status indicator


Speaker Elements
Tweeter, Mid-Woofer
Speaker Frequency Response
160 – 20,000 Hz
91 dB at 1m
4 embedded directional / 2 directional extension microphones
Microphone Coverage
360° Audio Pick-Up
Microphone Frequency Response
160 – 16,000 Hz
Echo Cancellation
Individual AEC per microphone
Full Duplex


Power over ethernet (PoE)
Mini USB 2.0 Connector


Operating Temperature
32 – 104 °F (0 - 40 °C)
Storage Temperature
-22°F to +131 °F (-30°C to +55 °C)
Relative Humidity
20%-85% (noncondensing)


CE Mark: EN 60950 IEC 60950 UL 60950 CSE C22.2, No. 60950 AS/NZS 60950
FCC (47 CRF Part 15) Class B ICES-003 Class B EN55022 Class B CISPR22 Class B AS/NZS CISPR22 Class B VCCI Class B EN55024


Base Unit Height
4.84 in (123mm)
Base Unit Width
5.9 in (150mm)
Base Unit Length
5.9 in (150mm )
Dialer Unit Height
1.6 in (41mm)
Dialer Unit Width
5.2 in (133mm)
Dialer Unit Length
5.3 in (136mm)
3 lb (1.3 kg)
IEEE 802.3af Power over Ethernet (PoE)


1 year warranty *EU warranty is 2 years
•1 Base Unit •1 Dialer Unit •1 USB Cable, 6.56ft (2.0m) •1 Ethernet Cable, 25ft (7.62m) •2 Directional Extension Microphones •Quick Start Guide


FLX UC Cable Clamp Kit



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