LandOfFree - US Patents - Listing for Telephonic communications,Diagnostic testing, malfunction indication, or electrical...,Of trunk or long line

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

System and method for conducting variable voice path...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

System and method for conducting variable voice path...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

System and method for detecting continuity of network lines

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

System and method for remote testing and protocol analysis of co

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

System and method for single-ended line analysis for...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

System and method for telephone signal collection and analysis

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Systems and methods for loop characterization from...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Telecommunications line test extension apparatus

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Telecommunications line test extension apparatus

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Telephone test device

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Telephone test set

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Telephone trunk line testing circuitry

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Termination circuit for network interface unit

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Test interface adapter emulating no test trunk interface for non

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Test interface adapter emulating on test trunk interface for non

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Test trunk access controller

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Testing an operational support system (OSS) of an incumbent...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Testing telecommunications equipment

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Tone location device for locating faults in a paired line