Grandstream Networks, Inc June, 2011

Corporate Background US Delaware Corp, Founded 2002 with offices in: Boston Accounting, Sales & Marketing, Tech Support Corporate Management Dallas Hardware Design & Tech Support Los Angeles (City of Industry) Stocking Location, RMA, Tech Support, VoIP Engineering Morocco Technical Support China (Shenzhen, Hangzhou) Manufacturing, Purchasing, Applications Engineering ISO 9001 Company with 400+ Worldwide Employees Profitable since first product launch in 2003 High 2-digit compound annual growth rate (CAGR)” Grandstream Networks was founded in 2002. Our mission is to proliferate the broadband market with affordable CPE devices that enable scalable communication for enterprise/small to medium sized businesses and the residential market. We are headquartered in Boston with offices in Dallas LA & Shenzhen. Employee wise we are 300 people strong fueling our operation. We have seen a strong 3-digit compound annual growth rate year after year since our first year of product shipment.

Grandstream Networks is… A leading manufacturer & most interoperable supplier of SIP-based products for broadband networks   Robust Portfolio IP Video Surveillance, IP Multimedia & Videophones, Enterprise IP Phones, Multi-port Analog Gateways Residential IP Phones, Analog Telephone Adaptors We serve the residential, small-medium business & enterprise markets Consistently Recognized by our Peers Deloitte Fast 500( Two straight consecutive years) Boston Business Journal Fastest growing private companies in Boston 2009 Multiple Best in Show Awards & Product of the Year from 2003 to 2010

Three(3) Focus Product Areas IP Voice Telephony Enterprise IP phones, VoIP gateway Consumer VoIP ATA, IP phones for SOHO IP Video Telephony & Multimedia Communications Enterprise multimedia phones, video conference system Consumer multimedia phones IP Video Surveillance Digital video encoders CCD/CMOS/HD network cameras, box/dome/cube/E-PTZ cameras

ATAs & Gateways HandyTone 286 & HandyTone 502 Products List Price HandyTone 286 & HandyTone 502 GXW 4004 & GXW 4008 FXS Gateways 4 & 8 Port FXS GXW 4104 & GXW 4108 FXO Gateways 4 & 8 Port FXO GXW 4024 24-Port FXS Gateway

New Product HD - IP Voice Telephony New Products List Price GXP2120 6-line Linux Phone 320x160 LCD, PoE, HD audio, excellent speakerphone 4 soft keys, 7 programmable keys GXP2110 4-line Linux Phone 240x120 LCD, PoE, HD audio, excellent speakerphone 3 soft keys, 18 programmable keys GXP2100 4-line Linux Phone 180x90 LCD, PoE, HD audio, excellent speakerphone 3 soft keys, 7 programmable keys GXP1450 2-line Linux Phone 180x60 LCD, PoE, HD audio, 3 soft keys Excellent speakerphone GXP1400/1405 single SIP Account, 2-line Phone 128 x 40 LCD, PoE, HD audio, 3 soft keys, speakerphone

IP Video Telephony & Multimedia New Enhancements/New Products List Price GXV3140 Firmware Upgrade Skype video, HTML/Javascript SDK, News Video, Production cost optimization GXV3175 7” Multimedia Phone 7” 800x480 touch screen LCD, integrated PoE, HD audio, VGA video resolution, 2xUSB, SD, Double memory and CPU 60% faster than GXV3140

Video IP Phones (Skype-certified GXV3140) A Free Video Call. A Music Phone. A YouTube Phone. A Picture Phone. A Web Phone. A Social Media Phone. “This is quite a phone in terms of raw features and we can expect to see these becoming a baseline phone for executives, knowledge workers and impromptu SMB conference areas.” – Rick Tehrani, CEO, TMC

GXP Series - Interoperability General Open Source & Hybrid Platform Solutions http://www.grandstream.com/interoperability.html

IP Video Surveillance GXV3601 Low Light & HD Box Camera Products List Price GXV3601 Low Light & HD Box Camera H.264 D1 resolution, low cost GXV3611 Low Light & HD Dome Camera H.264 D1 resolution GXV3615 PoE or Wireless HD Compact Camera GXV3662 Vandal Resistant HD Camera H.264 HD 720p, vandal resistant, IR_CUT, integrated PoE

GXV36xx/35xx – HTML GUI Monitor vía HTML Server, or Gsurf OnVIF Compliant (VMS) Demonstration: http://www.grandstream.com/index.php/products/ip-video-surveillance/live-surveillance-demo

GSurf

Grandstream Advantages Unrivaled leadership in price-to-performance ratio Zero-configuration plug-and-play technology for easy deployment Broad interoperability with the majority of 3rd party SIP products on the market Comprehensive portfolio of IP voice/video/surveillance solutions Advanced voice and video algorithms for crystal clear audio and video transmission

Thank You