Communications system, switching exchange and line card

Details Communications system, switching exchange and line card Communications system, switching exchange and line card

1993-10-26

1995-05-23

Kuntz, Curtis

Telephonic communications

Audio message storage, retrieval, or synthesis

379 59, 455 332, H04M 1100

Patent

active

054188385

ABSTRACT:
A cordless telephony system includes a switching exchange having a conventional switch which may be coupled to the public network. To avoid loading of such switch, the exchange also includes a backbone coupling network coupled to cluster controllers for respective clusters of base stations. Such network transports data between the cluster controllers during handover of a roaming mobile telephone set between different base stations. The system may be used as a private branch exchange operating with a central controller. The cluster controllers may be in the form of line cards which communicate with each other via the backbone coupling network, control being effected in a decentralized mode.

REFERENCES:
"Base Station Networking in Personal Communications", IEEE, 1991, pp. 1912-1916.
"Struktur des DECT-Standards", Nachrichtentech., Elektron., Berlin 42, 1992, pp. 23-29.
W. H. W. Tuttlebee (Ed.). "Cordless Telecommunications in Europe", Springer-Verlag, 1990, pp. 274.

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