Multiplex communications – Diagnostic testing – Of a switching system
Patent
1996-03-25
1998-08-11
Safourek, Benedict V.
Multiplex communications
Diagnostic testing
Of a switching system
370384, 370463, H04J 314
Patent
active
057937516
ABSTRACT:
Provisioning a Central Office (CO) Basic Rate Interface (BRI) access is a complex procedure which involves hundreds, and potentially thousands, of parameters that must be asserted to configure the CO for a particular users service profile. In such a complex procedure, errors in the provisioning may be introduced which are difficult and costly to detect and correct. To solve this problem, a provisioning tool which exercises BRI lines i.e., digital subscriber lines (DSLs) from a CO to a premises switch is defined which validates that transport related restrictions and permissions are properly administered at the CO. This is achieved by the system calling itself over such lines, and varying the types (e.g., voice, digital, data, 3.1 kHz audio, et al.) of call attempts that are placed to ensure that all lines support the intended services.
REFERENCES:
patent: 5195085 (1993-03-01), Bertsch et al.
patent: 5535198 (1996-07-01), Baker et al.
ITU-T (previously "CCITT Recommendation") I.411 Standard, dated Mar., 1993, pp. 1-7.
American National Standard For Telecommunications (ANSI) T.601-1992 entitled "Integrated Services Digital Network (ISDN) Basic Access Interface For Use On Metallic Loops For Application On The Network Side Of The NT (Layer 1 Specification)", approved Feb. 21, 1992, by ANSI, Inc.
ITU-T Recommendation Q.931, entitled "Digital Subscriber Signaling System No. 1 (DDSs 1)--ISDN User-Network Interface Layer 3 Specification For Basic Call Control", dated Mar. 1993.
International Telegraph and Telephone Consultative Committee (CCITT), I.430 COM XVIII-R 119-E (Study Group XVIII--Report R 119), dated Jul. 1992, entitled "Recommendations of the I.430-Series Submitted For Approval At the Xth CCITT Plenary Assembly".
International Telegraph and Telephone Consultative Committee (CCITT), COM XI-R 205-E (Study Group XI--Report R 205), dated Jun. 1992, entitled "ISDN User-Network Interface--Data Link Layer Specification".
Baker Albert D.
Davidson Charles L.
Eng Ellen
Petrilla Joseph C.
Vallone Lee Alan
Lucent Technologies - Inc.
Murgia Gregory J.
Safourek Benedict V.
Stafford Thomas
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