Telephonic communications – Concentrator or trunk selector – Concentrator-distributor pair
Reexamination Certificate
1998-11-23
2001-07-17
Smith, Creighton (Department: 2742)
Telephonic communications
Concentrator or trunk selector
Concentrator-distributor pair
C379S201060
Reexamination Certificate
active
06263068
ABSTRACT:
FIELD OF THE INVENTION
This invention relates to telecommunication systems and, in particular, to a system that functions to provision remote subscriber line units via the same facilities that are used by the remote subscriber line units for voice communication connections.
Problem
It is a problem in the field of remote subscriber line units to administer the facilities that are included in such units in an inexpensive and efficient manner. In particular, the remote subscriber line unit comprises a plurality of subscriber line interfaces, each of which serves a particular subscriber equipment, that are concentrated into a smaller number of communication facilities to connect the subscriber equipment to the central office switch. The remote subscriber line unit must be “provisioned” on an infrequent basis to perform maintenance, administration, and usage monitoring functions. The provisioning of the remote subscriber line unit is typically effected by the use of a dedicated line that connects the remote subscriber line unit to the administrative facilities of the central office switch. The administrative facilities comprise a separate data network that serves to interconnect a large number of remote subscriber line units and other such equipment to a central facilities management system.
The use of the separate data network and dedicated communication facilities to interconnect the remote subscriber line units to the central facilities management system is an expensive architecture and requires the dedication of a separate provisioning line for each remote subscriber line unit. The dedicated line diminishes the number of subscriber equipments that can be served by the remote subscriber line unit and such a system incurs the cost of maintenance for facilities that are used on an infrequent basis. Furthermore, the communication interfaces that are used in this provisioning network are proprietary in nature and unavailable for use by other than the serving common carrier. Thus, the present architecture for provisioning remote subscriber line units is expensive to implement and operate.
Solution
The above described problems are solved and a technical advance achieved by the present remote subscriber line unit provisioning system which operates on a shared facilities basis with the voice communication facilities of the remote subscriber line unit. This architecture eliminates the need for dedicated communication facilities to interconnect the remote subscriber line unit with the central facilities management system and thereby removes the dependence on a proprietary interface, since the standard voice interface of the remote subscriber line unit is used for provisioning.
REFERENCES:
patent: 4230913 (1980-10-01), Brotheis et al.
patent: 5287344 (1994-02-01), Bye et al.
patent: 5680391 (1997-10-01), Barron et al.
patent: 5761292 (1998-06-01), Wagner et al.
patent: 198 26 631 (1999-12-01), None
patent: WO97/35404 (1997-09-01), None
Akhteruzzaman
Sand Paul Raymond
Duft, Graziano & Forest, P.C.
Lucent Technologies - Inc.
Smith Creighton
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