| http://www.w3.org/ns/prov#value | - A method for data integration with interative voice response systems, the method comprising: receiving, by a telephony server, a request for a call-back issued by a user at a user station by selecting telephone information service via a browser, the request including a telephone number, to be used for the call-back, and user information; and placing a call, by the telephony server, to a call cente
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