Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal
Patent
1987-07-28
1989-03-21
Schreyer, Stafford D.
Telephonic communications
Diagnostic testing, malfunction indication, or electrical...
Testing of subscriber loop or terminal
379 35, 379135, 379136, 379113, H04M 1504, H04M 1518, H04M 1522, H04M 322
Patent
active
048151203
ABSTRACT:
A telephone monitoring system is disclosed which enables the operator to enter comment data and sort comment data entered by the operator and numerical data received from a monitor while the monitor continues to imput information from the target line. The system is comprised generally of a monitor capable of being attached to a target telephone line and when so attached senses voltage changes on that line and translates those voltage changes into a form capable of being stored in the memory, an alphanumeric keyboard, a memory unit storing a program capable of storing data received from the monitor and the keyboard, a processing unit and a display for displaying data entered through the monitor and through the keyboard as well as data developed by the processing unit in accordance with the program contained in the memory.
REFERENCES:
patent: 4712230 (1987-12-01), Rice et al.
JSI Telecon J1066 Dial-Up Slave System Users Manual, Undated (Unit Appeared in the Marketplace about May, 1987).
JSI Telecom J1033C Dialed Number Recorder Users Manual, Undated (Unit Appeared in the Marketplace about Feb., 1987).
Discovery Technical Manual published by Mitel Datacon, Issue 1, May, 1987.
Enforcement Support Incorporated
Ingersoll Buchanan
Schreyer Stafford D.
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