Operators provide voice mailbox service for many years. Since the handsets support more and more rich content formats, the operators start to provide multimedia mailbox service. This article focuses on effective pattern searching methods and relative applications which bring revenues. Two methods are used: First, Translating voice into words by voice recognition, and full-text searching the words. The second method provides a learning model to construct a keyword database. These two methods are all applied in the real applications.
Voice mailbox service Multimedia Pattern searching methods Voice recognition