System and method for supervising calls in the exchange

Details System and method for supervising calls in the exchange System and method for supervising calls in the exchange

1998-06-04

2000-02-15

Loomis, Paul

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Monitoring

H04M 124

Patent

active

060261471

ABSTRACT:
A call supervisory system in the exchange includes: a trunk card device (TCD) connected to a trunk card of an external system via a control trunk line (CTL); a device control unit (DCU), as a lower level processor, for controlling the TCD; a man machine interface unit (MMIU) matched with the external system for switching data and managing a password; a call trace and path setup control unit (CTCU) for controlling the call supervisory system according to demands of the external system received through the MMIU and informing a result of the relevant control to the external system via the MMIU; a number translation unit (NUTU) for translating and managing the exchange number when processing calls according to the control of the CTCU; a call trace and path setup unit (CTSU) for setting up call supervision and a call path according to the control of the CTCU; a call management unit (CMU) for performing a call process function of the exchange, sending a call supervision control flag to NUTU, and informing occurrence of call process events to the CTSU; a fault control unit (FACU) for controlling fault in the call supervisory system and informing contents of the fault to the external system via the MMIU; and a telephony device maintenance unit (TDMU) for controlling maintenance and repair of speech path equipment according to the control of the FACU.

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