Ditech Networks, Inc. designs, develops, and markets telecommunications equipment and services for use in wireline, wireless, satellite, and Internet Protocol (IP) telecommunications networks worldwide. The company offers voice quality enhancement solutions that enable service providers to deliver end-to-end communications to their subscribers, as well as voice applications solutions. Its products enhance and monitor voice quality and provide security in the delivery of voice services. The company’s mobile voice quality products include Broadband Voice Processor-Flex, a broadband voice processor system with flexible resource cards for network operators; Quad II T1, a single module that consists of four independent T1 echo cancellers for echo cancellation and built-in voice enhancement; Quad II E1, a single module with four independent E1 echo cancellers for gateway applications; and Quad Voice Processor—T1 and Quad Voice Processor—E1, which are narrowband voice processors for noise reduction, level control, acoustic echo control, and noise compensation. Its voice-over-IP product comprises Packet Voice Processor that delivers packet voice processing for an IP network. The company also offers PhoneTag application for voicemail-to-text services; and various applications to carriers for trial and commercial services, including voicemail to email, voice notes, dictate-a-short message service, dictate-a-Tweet, dictate-to-Facebook, conference call transcription, and call annotation. Ditech Networks, Inc. markets its products through direct sales force, distributors, value-added resellers, system integrators, and agents. The company was formerly known as Ditech Communications Corporation and changed its name to Ditech Networks, Inc. in May 2006. Ditech Networks, Inc. was founded in 1983 and is headquartered in San Jose, California. As of December 4, 2012, Ditech Networks, Inc. operates as a subsidiary of Nuance Communications, Inc.