| http://www.w3.org/ns/prov#value | - Selected points where authentication may be performed include when an additional phone pick-up is detected, when a new voice is detected at the origin device, when a call is transferred from one telephone device to another, and other routing of a call that may result in a new callee or in a call being recorded. [0039] For purposes of the present invention, telephony devices are termed origin devic
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