Alcatel Cit

Michel Ballard

Edouard Issenmann

A cellular radiotelephone network including a connection unit having a conventional first No. 7 signalling point for providing conventional control of access to a parent exchange for subscribers connected to connection units by means of signalling messages in compliance with interface A as defined by a the Special Mobile Group (GSM) and a second No. 7 signalling point and No. 7 links to a signalling point of a service control point, where the links convey an 'intelligent network interface' for enabling the control point to control connections established by one of the connection units between subscribers connected to that unit, or connections established directly to other connection units, or connections established to the public network without said connections requiring a link via the parent exchange of the units.

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Clamart, France

Michel Ballard