| http://www.w3.org/ns/prov#value | - BRIEF DESCRIPTION OF THE DRAWINGS [0034] The preferred embodiments of the invention will hereinafter be described in conjunction with the appended drawings provided to illustrate and not to limit the invention, wherein like designations denote like elements, and in which: [0035]FIG. 1 is a block diagram illustrating a typical PSTN architecture that uses an SS7 network for call signaling. [0036]FIG
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