| http://www.w3.org/ns/prov#value | - shown in FIGS. 10, 14 or 15. [0019]FIG. 17 is a block diagram illustrating a listening conditioning system of the present invention implemented in a telephone switching office and used to provide enhanced telephone service to hearing impaired and other customers. [0020]FIG. 18 is a block diagram illustrating a method of processing telephone audio signals at a telephone switching office in accordan
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