Patent
IP-based Interactive Voice Response system for servicing calls from a PSTN
Michael James Boyer Epstein,John Giannandrea,Donald C. Jackson,Mark A. Verber +3 more
- 27 Jun 2001
18
TL;DR: In this article, an approach to abstracting the circuit switched nature of the public switched telephone network (PSTN) by using VoIP to provide voice actuated services is disclosed.
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Abstract: An approach to abstracting the circuit switched nature of the public switched telephone network (PSTN) by using VoIP to provide voice actuated services is disclosed. By carrying a telephone call using VoIP technology for a short distance (frequently within a server room) significant benefits to call handling and capacity management can be obtained. Specifically, a PSTN-to-IP gateway is used to receive (and place) calls over the PSTN and route those calls internally to servers over an IP network in a packet switched format. A number of computer systems can receive and handle the calls in the IP format, including: translating the packets into an audio format suitable for speech recognition and creating suitable packets from computer sound files for transmission back over the PSTN.
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Citations
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40
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Robert L. Rae,Michelle L. Polozola,John S. Hogg +2 more
- 10 Apr 2007
TL;DR: In this article, Embodiments connect a call in which at least one party is a VoIP call party and monitoring resulting VoIP signals for unauthorized call activity, such as three-way call activity.
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