June 24, 2008

Former AT&T CTO is Guest Speaker for Live Webinar on Reducing Churn By Improving Voice Quality

MOUNTAIN VIEW, Calif., June 24 /PRNewswire-FirstCall/ -- Ditech Networks, Inc. , a leading provider of voice quality solutions to the world's communications industry, today announced that it will host a live webinar featuring Dr. Hossein Eslambolchi, chairman of Divvio, Inc. Dr. Eslambolchi will deliver a presentation titled, "The 4 Cs of Churn Reduction," which will provide insight into how substandard voice quality can cause churn, and how the problem is resolved to retain VoIP and mobile subscribers. The webinar will be from 11-noon EDT (8 a.m. PDT, 3 p.m. GMT), on both July 9 and July 10.

Prior to Divvio, Dr. Eslambolchi held several executive positions at AT&T, including chief technology office and president of AT&T Bell Laboratories. During his 20 years at AT&T, Dr. Eslambolchi was responsible for implementing the company's technology and operations vision, heading a team of renowned engineers to develop an architecture to evolve AT&T's legacy voice and data networks into the company's converged IP/MPLS network. In addition to his vast experience with network technologies and leadership, Dr. Eslambolchi has been involved in receiving more than 800 patents.

The webinar will be hosted by Homayoun Razavi, Vice President of the Americas/EMEA, at Ditech Networks. Ditech is sponsoring the webinar to bring a service provider's perspective to the impact of voice quality on churn and customer satisfaction. Dr. Eslambolchi and Razavi will discuss:

-- How issues with voice quality can lead to customer dissatisfaction and lost revenue;

-- Why many voice quality problems are unrelated to RF or IP performance and how that impacts network performance, and;

-- How to understand and measure voice quality issues to reduce network cost.

Dr. Eslambolchi will address these issues from the perspective the 4 C's of managing voice quality to help churn in the VoIP and mobile services industries: capability, capital, cost and cycle time.

There is no charge for the webinar, and registration is online at http://www2.eventsvc.com/ditech/

About Ditech Networks

Ditech Networks is shaping the future of voice quality through continuous innovation and leadership for the world's communications companies. Ditech's voice quality solutions are deployed in wireless and wireline networks to optimize every call experience. By delivering consistent, dependable voice quality, Ditech's products help global communications companies meet the multiple challenges of service differentiation, network expansion, and call capacity. Ditech's customers include Verizon, Sprint/Nextel, Orascom Telecom, AT&T, China Unicom, Global Crossing and West Corporation. Ditech Networks is headquartered in Mountain View, California. For more information, visit http://www.ditechnetworks.com/.

Ditech Networks is a trademark of Ditech Networks, Inc. All other trademarks are the property of their respective owners.

Ditech Networks

CONTACT: press, Rob Adler, +1-415-984-1970; or investors, Bill Tamblyn,+1-650-623-1309, both for Ditech Networks

Web site: http://www.ditechnetworks.com/