Polycom Communicator C100s Competitive Comparison May 2007 Competitive Comparison Table ClearOne Chat™ 50 Polycom Communicator C100s Photos and Sizes (photos at 1/3 scale) Width 'f MSRP $149 $129 Connectivity USB Telephone handsets Cell phones Desktop video conferencing devices iPods and other MP3 players USB only Applications • PC: • Skype, Vonage, Google Talk • Web conferencing • Video conferencing • Enterprise VoIP softphones • IM with audio chat • Audio playback • Gaming • Telephones

The CHAT 170 is the perfect addition to the office or conference room for greatly enhanced collaboration. applications Office Communicator 2007 Perfect for: + Boardrooms + Small Conference Rooms + Executive Offices + Home Offices advantages Provides high quality speakerphone capabilities on PCs or laptops: + Connect the CHAT 170 to PCs and laptops via USB for hands-free, full-duplex audio with Office Communicator 2007 + Incoming calls ring on the CHAT 170 + True plug-and-play operation >

Insert the Chat 50 CD into your computer’s CD-ROM/DVD drive. > Note: This procedure shows Windows XP screenshots. The installation instruction apply to both Windows XP and Windows Vista. For instructions on installing this software on a Mac, please refer to the Chat 50 User Manual. 2. Follow the instructions in the Setup Wizard to complete installation of the Chat 50 software. CHAT50 Personal Speakerphone ™ CONFIGURING AND TESTING YOUR CHAT 50 1. Using the included USB 2.0 cable, connect the Cha

. . . . . . . . . . . . . . . . . . . . . . . . . 1 Configuring and Testing Your Chat 150 . . . . . . . . . . . . . . . . . . . . . 2 Connecting Chat 150 to a PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Connecting Chat 150 to a Telephone. . . . . . . . . . . . . . . . . . . . . . . 8 Connecting Chat 150 to a Video Conferencing Device . . . . . . . . 13 Using The Chat 150 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 QUICK START GUIDE INSTALLING THE CHA

800-156-201. JANUARY 2007 (REV. 2.0) © 2007 ClearOne Communications, Inc. All rights reserved. No part of this document may be reproduced in any form or by any means without written permission from ClearOne Communications. Printed in the United States of America. ClearOne reserves specific privileges. Information in this document is subject to change without notice T TTABLE OF CONTENTS ABLE OF CONTENTSABLE OF CONTENTS CONTINUED CHAPTER 1: INTRODUCTION Product Overview. . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . The RAV 600/900 . . . . . . . . . . . . . . . . . . . . . . . Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . Basic Room Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Connecting the RAV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Basic Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Open a web browser and enter the IP address or Network Name of the RAV in the address bar. 2. Enter your User Name and Password.The default user name is ClearOne and the default password is RAV. Figure 5.1. Network Password The RAV web interface opens. Navigation buttons are shown in the left channel. Figure 5.3. Dialer window To make a call 1. Click the ON/OFF button to take the phone off-hook. 2. Using the number pad, dial a phone number just as you would on a standard phone. Note: You can als

Converge 560 and 590 deliver exceptional audio conferencing quality and value at a price point far superior to the competition. Customizable microphone and speaker options, plus the ability to connect to rich-media systems, allow great flexibility in a wide variety of medium-sized room applications. APPLICATIONS ADVANTAGES Semi-customized Board Rooms Superior Audio Performance + Full-duplex sound enables participants to speak and listen at the same time withoutMultimedia Conference Rooms cutting

RACK KIT Allows microphone distribution boxes to be mounted in a standard equipment rack. Line Output Connection: Unbalanced RCA Nominal Level: -10 dBu, adjustable from -14 dB to +18 dB Maximum Level: +9 dBu Frequency Response:40 Hz – 15 kHz (+/-1 dB) Dynamic Range: > 80 dB THD+N:< 0.02% (+6 dBu input @ 1 kHz) Playback/Record Input Connection: Unbalanced RCA Gain: -10 dBu nominal, adjustable from -14 dB to +18 dB Nominal Level: -10 dBu Maximum Level: +9 dBu Impedance: > 10 kOhm Playback/Record O

It also provides expansion capability with other Converge Pro mixers for complex installations. APPLICATIONS LEADING AUDIO Convention Centers and Hotels CONFERENCING Auditoriums SOLUTION FOR Stadiums PROFESSIONAL Conference Rooms INSTALLATIONS Houses of Worship Theaters ADVANTAGES Advanced Conferencing Feature Set + Next-generation Acoustical Echo Cancellation > Improved duplex performance > Push-to-talk microphone compatibility + Next-generation Noise Cancellation > Adaptive modeling to room am