H - Electricity – 04 – M
Patent
H - Electricity
04
M
H04M 3/42 (2006.01) H04M 3/493 (2006.01) H04Q 3/66 (2006.01)
Patent
CA 2270038
A system and method provides a voice dialing service to a caller within a public switched telephone network (PSTN). The voice dialing service may supplement or replace existing directory services accessible through the PSTN. For example, by calling the voice dialing service and uttering the name of a city and state, the caller may be automatically connected to directory service listings for the locality including that city and state. In addition, the caller may utter the name of a company pursuant to the voice dialing service and automatically be connected to a national or local office of that company. According to the method, a caller places a call to the voice dialing service using a service number. The call is received at a switch within the PSTN. Without authenticating the caller as a subscriber of the service, the caller is prompted to speak a company name. The spoken company name is received at the switch as an analog signal which is then digitized. Subsequently, the switch queries a database with the digitized spoken company name. The database includes a plurality of speech models, each speech model corresponding to a company name. In addition, the database has at least one destination number corresponding to each speech model. The speech model within the database having the closest match to the digitized spoken company name is identifying. Then, one of the destination numbers corresponding to the identified speech model is selected which is used to route automatically the call to the selected destination number.
Furman Daniel Selig
Greenspan Steven Lloyd
Rubin Robert Michael
At&t Corp.
Kirby Eades Gale Baker
LandOfFree
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