Integrated BI-Directional Line and Register Signaling Monitor for the 5ESS(R) Switch (NOT PUBLISHED)

30 June 1988

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In the laboratory development environment, line and register signaling sequences are obtained by judicious use of software test tools to trap and report the desired data. Outside of the laboratory, this information may be obtained by connecting various external monitoring devices to the switch. This means that the equipment has to be procured, physically connected to the switch on the desired facility, and, most often, operated manually. Since the collected data usually in the form of raw numbers or signaling bit patterns, the data has to be interpreted to obtain logical signaling information. Multiple trunks or trunk groups can only be monitored if multiple monitoring devices are available. This method of collecting signaling information is expensive, cumbersome, inefficient, and requires that users have enough detailed knowledge of the system being monitored to interpret the collected data. Further, permanent records of the signaling sequences are difficult to produce, and association between the permanent record and the link on which it was collected is not performed automatically.