Method of and apparatus for exchanging compatible universal iden

Details Method of and apparatus for exchanging compatible universal iden Method of and apparatus for exchanging compatible universal iden

1996-02-29

1997-11-25

Zele, Krista M.

Telephonic communications

Supervisory or control line signaling

379201, 379257, 379386, 379418, H04M 150

Patent

active

056920407

ABSTRACT:
A method of and apparatus for providing compatible universal identification telephone protocols by generating predetermined unique audio sequences recognizable by the telephone user as defining standardized Audio Icon information and distinct from and separated from one another and other telephonically transmitted signals; sending and receiving such generated audio sequences on a public switched telephone network having paths the parameters of which fall within predetermined specified training sets, including modem performance standards; and assuring recognition and correct identification of such audio sequences conveyed along such paths.

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patent: 5319703 (1994-06-01), Drory
patent: 5321745 (1994-06-01), Drory et al.
patent: 5333191 (1994-07-01), McCarthy
patent: 5353342 (1994-10-01), Pietrowicz
patent: 5406621 (1995-04-01), Binal

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