Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal
Patent
1998-06-08
2000-02-15
Kuntz, Curtis A.
Telephonic communications
Diagnostic testing, malfunction indication, or electrical...
Testing of subscriber loop or terminal
379 1, 379 34, H04M 124, H04M 308, H04M 322
Patent
active
060261463
ABSTRACT:
The automated voice terminal protocol identification system automatically identifies the nature of the voice terminal that is connected to the voice terminal test facility in a manner that ensures that neither the voice terminal nor the voice terminal test facility is subject to damage. This is accomplished by the application of a predetermined set of low potential test signals to the voice terminal under test, which set of low potential test signals is selected to elicit a response from the voice terminal under test that accurately identifies the protocol used by the voice terminal under test. If the result of this first test is inconclusive, successive set(s) of non-damaging test signals are applied to the voice terminal under test to precisely determine the type of voice terminal, prior to the application of the test sequence.
REFERENCES:
patent: 5757680 (1998-05-01), Boston et al.
patent: 5937031 (1999-08-01), Stelman
Nowka Dennis R.
Uba Gene M.
Kuntz Curtis A.
Lucent Technologies - Inc.
Tieu Binh K.
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