Private communications network system and method of authenticati

Details Private communications network system and method of authenticati Private communications network system and method of authenticati

1995-07-13

1997-09-23

Horabik, Michael

Communications: electrical

Continuously variable indicating

With meter reading

379225, 379221, 455 491, 455 541, 455 542, 455 561, 34082534, G06F 704, H04B 1034, H04M 700

Patent

active

056709501

ABSTRACT:
A private communications network system allows a mobile station to be used in a different private communications network than that in which it is registered, by a method of authenticating the mobile station outside of its home private communication network. When a mobile station 17 requests location registration in a private communications network 2 in which the mobile station 17 is not registered, a control unit 22 of a PBX 21 in the private communications network 2 requests a network common data management unit 3 to send group data which is used to identify a private communications network 1 in which the mobile station 17 is registered. Control trait 22 then requests a PBX 11 in a private communications network 1 to send subscriber data 33 of the mobile station 17. The mobile station 17 is authenticated in the private communications network 2 by the subscriber data 33 sent from its home private communications network 1, whereafter the mobile station 17 can make calls from or can receive incoming calls in the private communications network 2. Billing data for calls the mobile station has made in the private communications network 2 is transferred and stored in the home network common data management unit 3 on a group basis.

REFERENCES:
patent: 5031211 (1991-07-01), Nagai et al.
patent: 5422943 (1995-06-01), Cooney et al.
patent: 5430794 (1995-07-01), Ayame
"Mobile Communication Application Part Signalling System", TTC specification JJ-70.10 (Japanese Version), Node to node interface of PDC (Personal Digital Cellular) digital mobile communication, pp. 3-91. No Date Available.

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