Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Monitoring
Patent
1989-07-31
1990-09-25
Schreyer, Stafford D.
Telephonic communications
Diagnostic testing, malfunction indication, or electrical...
Monitoring
371 201, 371 291, H04L 100, H04M 332
Patent
active
049598490
ABSTRACT:
A method and architecture for end-to-end surveillance of network systems is disclosed. Comprehensive and rapid fault detection, fault segmentation, and self-testing of network elements are accomplished by utilizing a bit position in message signal units to indicate the surveillance of a particular call. When the surveillance bit is set, message signal units related to the selected call are copied and forwarded to a processing element. The processing element correlates message signal units received to afford fault analysis and fault segmentation of network failures on an end-to-end basis. Additionally, the method and architecture may permit quality control for the network system by utilizing information within the message signal units received by the processing element.
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patent: 4788718 (1988-11-01), McNabb et al.
C. W. Brown, IEEE Computer Society's First International Computer & App. Conf., 1977, "No. 2 Switching Control . . . ", pp. 46-50.
J. Klimowski, Proc. National Electronic Conf., vol. 32, 1978, "GTE's Remote Maintenance Monitor . . . ", pp. 308-313.
Suzuki et al., Review of the Elec. Comm. Laboratories, vol. 28, Nos. 1-2, 1980, "Common Channel Signaling Network Structure", pp. 50-66.
G. C. Schlanger, IEEE J. on Selected Areas in Commn., vol. SAC-4, No. 3, May 1986, "An Overview of Signaling System No. 7", pp. 360-371.
AT&T Bell Laboratories
Ranieri Gregory C.
Schreyer Stafford D.
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