US PATENT SUBCLASS 379 / 142
WITH CALLING NUMBER DISPLAY OR RECORDING AT CALLED SUBSTATION

Current as of: June, 1999
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379 /   HD   TELEPHONIC COMMUNICATIONS

142WITH CALLING NUMBER DISPLAY OR RECORDING AT CALLED SUBSTATION

DEFINITION

Classification: 379/142

WITH CALLING NUMBER DISPLAY OR RECORDING AT CALLED SUBSTATION:

(under the class definition) Subject matter located at the called substation which provides either a visible indication, or a permanent or semi-permanent record, of the telephone number of a calling terminal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

120, for calling number identification on a hardcopy call charge record.

264+, for line identification at a central switching facility.