MOUNTAIN VIEW, Calif., March 17 /PRNewswire-FirstCall/ -- Ditech Networks , a leading provider of voice quality solutions to the world's communications industry, today announced that Simlab.net will offer Ditech's Voice Quality Assurance (VQA) solution to both its enterprise and service provider VoIP customers. Simlab.net is one of the nation's fastest-growing managed service providers, and will be the communications industry's first managed service provider to deliver the benefits of VQA as a hosted service to users of its Enhanced Private Network (EPN) solution.

As a managed service provider, Simlab.net's EPN allows businesses of all sizes to take advantage of network services that support Quality of Service (QoS) for real-time and mission-critical applications. By adding hosted VQA, Simlab.net will further differentiate its VoIP service, in addition to its "last mile" service, based on superior voice quality, and will offer to end users and partners, no matter where they are located or what devices they are using, consistent and reliable voice quality.

"Simlab.net provides enterprises and VoIP resellers of all sizes with a low-cost, high-quality last mile and VoIP solution that can be implemented immediately," said Anthony Hidalgo, Executive Vice President of Simlab.net. "For our enterprise clients, Ditech's VQA solution enables Simlab.net to deliver consistent, superior voice quality anywhere, allowing our customers to leverage the cost advantages of VoIP, even in places where our Enhanced Private Network cannot reach. For our partners, Simlab.net's hosted VQA solution enables VoIP resellers of all sizes to receive the rewards of superior quality without the need to buy or manage any hardware."

Deployed on Ditech's Packet Voice Processor platform, VQA enables Simlab.net's customers and partners to have consistently clear, high-quality call experiences, no matter who placed the call, where the call was made, or what kind of phone or headset was used. VQA mitigates network-induced voice quality impairments and impairments from the caller's environment in real-time, on both ends of the call. VQA mitigates the majority of voice quality impairments that degrade customer calls on TDM and IP networks, and dramatically improves the call experience in real time, on both ends of the call.

"Offering voice quality improvement as part of a hosted VoIP service is a strong differentiator," said Jon Arnold, an industry analyst and Principal at J Arnold & Associates. "Enterprises want to lower the cost of voice service by implementing VoIP, but many don't have the knowledge or capital to convert their PSTN service and equipment. A managed service provider provides an important alternative, and delivering quality of service makes a very compelling offer to the market."

Because of the appeal of VoIP's low cost structure, many enterprises have settled for less-than-optimum voice quality. As the VoIP market matures and more enterprises turn to VoIP for conference calls, business communications, and basic voice service, callers are demanding consistent voice quality. With Ditech's VQA solution now available on a hosted basis via Simlab.net, VoIP resellers now have a high-quality alternative to the operations and costly capital investment often required to implement VoIP quality across their network.

"Quality of service for VoIP subscribers is beginning to replace low price as one of the most important requirements for using VoIP," said Todd Simpson, President and CEO of Ditech Networks. "As the first to offer VQA on a hosted basis, Simlab.net delivers to both the enterprise and VoIP resellers an important new option for implementing high-quality VoIP."

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/.

About Simlab.net

Simlab.net is one of the nations fastest growing Managed Service Providers. Simlab.net offers managed dedicated access and voice solutions, with an emphasis on deploying Private Wide Area Networks with QOS (Quality of Service) for VoIP and Video, and any other QoS-intensive applications for growing businesses and resellers. Simlab.net's managed solutions increase productivity and reduce monthly recurring expenses, while lessening the burden on IT staff. Simlab.net lets organizations focus on their core business activities to increase the bottom line. Simlab.net is headquartered in Cedar Grove, New Jersey. For more information, visit http://www.simlab.net/

Forward Looking Statement

This press release contains forward-looking statements regarding Ditech Networks' expectations of the benefits the global communications industry will receive by using Ditech's VQA solution on a hosted basis. Actual results could differ materially as a result of unanticipated factors and events, including the risk that Ditech Networks' VQA solution may exhibit unforeseen technical problems that will preclude certain benefits from being realized, as well as those detailed under the caption "Future Growth and Operating Results Subject to Risk" in Part I, Item 2 of Ditech Networks' Quarterly Report on Form 10-Q for the quarter ended Jan. 31, 2008 (filed March 11, 2008, with the Securities and Exchange Commission).

Ditech Networks and Voice Quality Assurance are trademarks or registered trademarks of Ditech Networks, Inc. All other trademarks are the property of their respective owners.

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/
http://www.simlab.net/