DITECHNETWORKS JOINS IMS FORUM.

Ditech Networks (NASDAQ:DITC), Mountain View, Calif., a leader in the development of voice processing solutions for communications networks, has joined the IMS Forum, an association recognized for its leadership in IMS interoperability for applications and services.

By joining the IMS Forum, Ditech Networks will assist in advancing the adoption and deployment of media processing technologies within the IP Multimedia Subsystem (IMS) network architecture. The members of the IMS Forum will benefit from Ditech's experience with carrier network voice processing solutions for improving voice quality delivered to subscribers.

"We are excited to join this dynamic industry organization to foster innovation and accelerate the adoption of IMS-based solutions," said Tim Montgomery, president and CEO of Ditech Networks. "As the industry comes together to work out the issues related to IP, multimedia, and broadband convergence, we are proud to be able to share our experience to advance the benefits of IMS."

Ditech Networks' products play key roles in carrier network architectures worldwide, providing advanced voice processing, voice quality assurance, and real-time voice quality monitoring capabilities. The company's products strengthen the Border Gateway Function (BGF) and Media Resource Function (MRF) within the IMS architecture to provide network and codec interconnectivity and a better customer experience within IMS and Voice over IP (VoIP) networks. Ditech will work with the IMS Forum to advance network interconnectivity and voice quality best practices. Ditech Networks is also a leading participant in the VoIP Quality Alliance, http:///www.v2oipqualityalliance.org, an alliance of communication industry innovators that are helping to shape and support the direction of voice and video-over-IP (VVoIP) technologies and their application within next-generation communications.

"We welcome Ditech Networks' participation to develop interoperable IMS services that focus on quality, clarity, and performance. These efforts will help IMS network architectures and applications to become mainstream," said Michael Khalilian, chairman and president of the IMS Forum and CTO of Pervasip. "The IMS Forum will benefit greatly from the company's expertise and we look forward to significant advances in IP multimedia technologies as a result."

About IMS Forum

The IMS Forum(TM) is a global, non-profit industry association devoted to interoperable IP Multimedia Subsystems services and solutions. Our mission is to accelerate the adoption of IMS through discussion and resolution of interoperability issues, and the development of standards-based IMS services residing in the IMS application layer. We provide consultancy to industry service providers and vendors on best practices and approaches for IMS rollouts and interconnectivity. The IMS Plugfest(TM) facilitates the industry-wide certification of applications and services interoperability.

For more information, visit http://www.imsforum.org.

About Ditech Networks

Ditech Networks supplies voice processing equipment for telecommunication networks around the world. Ditech Networks' solutions incorporate advanced voice processing, Session Initiation Protocol (SIP), and security technologies delivered on carrier-grade scalable platforms to enhance the delivery of communications services over mobile, Voice over IP, and wireline networks. Ditech Networks' customers are premier network operators including Verizon Wireless, Sprint/Nextel, Orascom Telecom, and others that collectively serve more than 150 million subscribers. Ditech Networks is headquartered in Mountain View, California.

For more information, visit http://www.ditechnetworks.com or call 650/623-1309.