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Airtel Partners with Dialogic for Bandwidth Optimization for African Operations

Monday, August 29, 2011

Dialogic I-Gate Media Gateways have been deployed on microwave and satellite portions of Airtel’s African GSM network. This deployment optimizes voice bandwidth capacity, resulting in significant CAPEX and OPEX savings for Airtel, as well as high quality voice services for Airtel’s customers.

Milpitas, CA - August 29, 2011 - Dialogic Inc. (NASDAQ: DLGC), a leading provider of communications technologies that power advanced networks, today announced that the Dialogic® I-Gate® 4000 EDGE Media Gateway and I-Gate® 4000 PRO Media Gateway have been deployed on microwave and satellite portions of Airtel's African GSM network. This optimization solution increases voice bandwidth capacity on the same network by eightfold, resulting in significant CAPEX and OPEX savings, while maintaining high quality voice services.

Airtel is very pleased with the performance of Dialogic's I-Gate 4000 Media Gateways and is also looking ahead, since as Airtel continues to invest in its network and increase its subscriber base, it is critical to have a voice optimization solution that is reliable, cost-effective and able to maintain exceptional voice quality.

"We are excited to provide Airtel with a voice optimization solution that meets its operational needs," said Kevin Cook, executive vice president of worldwide field operations at Dialogic. "3G networks are beginning to evolve in Africa, and the demand for mobile data will in turn increase bandwidth requirements on service provider networks. In addition to our I-Gate Media Gateways, Dialogic offers an even more advanced mobile backhaul optimization solution through our Dialogic® I-Gate® 4000 Session Bandwidth Optimizer Mobile Backhaul (SBO-MB) product, which has been demonstrated in trials to as much as double existing bandwidth for voice and data traffic across existing mobile backhaul networks."

About Dialogic
For more than 25 years, Dialogic (NASDAQ: DLGC) and its subsidiaries have been providing communications platforms and technology to enterprise and service provider markets. Our portfolio of multimedia processing and call control technologies enables developers and service providers to build and deploy innovative applications without concern for the complexities of the communications medium or network. This empowers our customers to unleash the profit from video, voice and data for advanced networks.

For more information on Dialogic, visit www.dialogic.com. Also, find us on the following social networking sites:

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Dialogic and I-Gate are registered trademarks of Dialogic Inc. or a subsidiary thereof ("Dialogic"). Other trademarks mentioned and/or marked herein belong to their respective owners. Dialogic and its subsidiaries encourage all users of their products to procure all necessary intellectual property licenses required to implement their concepts or applications, which licenses may vary from country to country. Other trademarks mentioned and/or marked herein belong to their respective owners.

This press release may contain forward-looking statements regarding future events that involve risks and uncertainties. Readers are cautioned that these forward-looking statements are only predictions and may differ materially from actual future events or results. These forward-looking statements involve risks and uncertainties, as well as assumptions that if they do not fully materialize or prove incorrect, could cause our results to differ materially from those expressed or implied by such forward-looking statements. The risks and uncertainties that could cause our results to differ materially from those expressed or implied by such forward-looking statements include but are not limited to the potential sales of Dialogic Media Gateway and Bandwidth Optimization products and the performance of those products, growth of our business as result of the these sales, and uncertainties described more fully in our documents filed with or furnished to the Securities and Exchange Commission. More information about these and other risks that may impact Dialogic's business is set forth the "Risk Factors" section in our 10-K for the year ended December 31, 2010 and our 10-Q for the quarter ended June 30, 2011 as filed with the Securities and Exchange Commission. These filings are available on a website maintained by the Securities and Exchange Commission at http://www.sec.gov. All forward-looking statements in this press release are based on information available to us as of the date hereof, and we assume no obligation to update these forward-looking statements. (DLGC-IR).

About Bharti Airtel:
Bharti Airtel Limited is a leading global telecommunications company with operations in 19 countries across Asia and Africa. The company offers mobile voice & data services, fixed line, high speed broadband, IPTV, DTH, turnkey telecom solutions for enterprises and national & international long distance services to carriers. Bharti Airtel has been ranked among the six best performing technology companies in the world by BusinessWeek. Bharti Airtel had over 223 million customers across its operations at the end of April 2011. To know more please visit, www.airtel.com.

 Media Contacts:
 Kristen Seely
 Dialogic
 + 1 973-967-6665
kristen.seely@dialogic.com
 
Brianna Swales
Vantage Communications
+1 352-224-5086
bswales@pr-vantage.com