Lifesize Phone HD

The smartphone for your conference room

Lifesize® Phone™ HD

Simplify your meeting room experience by putting all of the essential conferencing functions at your fingertips. Make video and audio calls with unrivaled audio quality, search the directory, share your screen and control the video pan/tilt/zoom right from the customizable touchscreen interface of the Lifesize Phone HD. This obsessively engineered conference room phone is command central for your mission-critical audio, web and video communications. Lifesize Phone HD is your connection to all of the benefits of the Lifesize cloud-based service wrapped up in a beautiful, easy-to-use package.

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Touchscreen Simplicity

Large, vivid display provides rapid access to the call options you need when you need them

Mic Check 1, 2 …

Engineered with 360° beam-forming microphone array to steer focus to the active speaker

Command Central

Make calls, share content, control the camera and add participants from the searchable directory


Reduce tabletop clutter and manage Lifesize audio, web and video calls from one highly intuitive device

Tailored to You

Customize the look and layout to meet your needs and style

Unheard-of Audio

Featuring Opus audio, unmatched in performance for human speech

Calendar Integration

List upcoming meetings and configure one-click joining through Microsoft and Google calendar services

Purpose-built for Video

Enjoy meeting room echo cancellation, automatic gain control and automatic noise reduction

Complete your conferencing experience with these Lifesize essentials:

Lifesize Video Conferencing Essentials

Lifesize Video Conference Systems

A solution for every meeting space with purpose-built video conferencing systems

Photograph of Two Lifesize Micpods

Lifesize Digital MicPod

Expand the audio pickup range for even the largest conference room tables

Lifesize Share

Truly wireless media sharing makes passing cords from presenter to presenter a thing of the past

Lifesize App

The smartphone for your conference room with unrivaled audio quality and a best-in-class interface

Tech Specs


Powerful rare-earth magnet loudspeaker driver

Large, acoustically suspended speaker enclosure

Frequency response: 90 Hz to 22 kHz (Icons), for deep voice reproduction plus high intelligibility without hiss

Volume adjustable to 90 dB SPL at ½ meter peak

Distortion at –10 dBmO

<3% 100="" hz–200="">

<0.5% 250="" hz–20,000="">

Spectral peak limiting prevents speaker clipping without distortion


Four orthogonally placed low-noise microphones

(80 dB SNR before noise reduction)

Beam-forming algorithm steers the microphones to the location of the talker for greater voice pickup and reduced room noise

Voice pickup range up to 4.5 m (15 ft.)


Acoustic echo cancellation

Microphone background noise suppression

VAD (Voice activity detector)

AGC (Microphone automatic gain control)

Adaptive jitter buffers and packet-loss concealment

Pro-audio 48 kHz sampling rate


Capacitive multitouch display

Size: 5.0 inch (diagonal)

Contrast: 500:1 (typical)

Max brightness: 400 cd/m² (typical)


VoIP connectivity and video systems integration in one device

Lifesize Link connection to Lifesize Icon1 for power and signaling

3 high speed digital Lifesize Link connectors to support up to two Lifesize® Digital MicPods™2 in addition to the codec connection


Designed to reduce or eliminate audible radio frequency interference when mobile devices are placed adjacent to Lifesize Phone HD


Height: 46.5 mm/1.83 in.

Diameter: 266 mm/10.48 in.

Weight: 1.5 kg/3.3 lbs


Not in call: 6.5 W

In call: 7.6 W


Operating temperature: 0°C (32°F) to 40°C (104°F)

Operating humidity: 10% to 85%, noncondensing

Storage temperature: –20°C (–4°F) to 60°C (140°F)

Storage humidity: 10% to 90%, noncondensing


Tabletop console

One 9 m (30 ft.) Lifesize Link cable for Lifesize Icon video system


Lifesize Phone HD = Regulatory model LFZ-021

NOTE: Feature availability and price vary by subscription plan, selected options and paired devices.

1 Lifesize Phone HD does not support Lifesize Icon® Flex™
2 Not applicable with Lifesize® Icon 400TM or Lifesize® Icon 450™

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