Patent ID: 6654722
Filing Date: 2003-11-25
Classification: H04L,H04M

Abstract:
A Voice over IP (â€œVoIPâ€ ) based speech system comprising:an VoIP telephony gateway server; at least one speech server, each speech server containing a speech application; a VoIP-compliant call control interface between said VoIP telephony gateway server and said speech server; and, a VoIP communications path between said VoIP telephony gateway server and said speech application in said at least one speech server: said VoIP telephony gateway server and said speech application establishing said VoIP communications path through said VoIP-compliant call control interface; said VoIP telephony gateway server receiving audio signals from a telephony interface, digitizing said audio signals into digitized audio data, compressing said digitized audio data into VoIP-compliant packets and transmitting said VoIP-compliant packets to said speech application in said at least one speech server through said VoIP communications path using said VoIP protocol; said speech application in said at least one speech server receiving said VoIP-compliant packets, reconstructing said digitized audio data from said VoIP-compliant packets, and speech-to-text converting said digitized audio data; said speech application in said at least one speech server speech synthesizing text into digitized audio data, encapsulating said digitized audio data in VoIP-compliant packets and transmitting said VoIP-compliant packets through said VoIP communications path to said VoIP telephony gateway server; said VoIP telephony gateway server receiving said VoIP-compliant packets, reconstructing said digitized audio data from said VoIP-compliant packets, and transmitting said digitized audio data through said telephony interface.