Centrex – The Real Revolution in Telecommunications
Ces: ?european? & Uk Telecommunications Approvals & Standards 1989 (conf 15/16 March 89)
Ces: ?satellites? For Business Telecommunications: The New Competition (conf 28 Feb 1989)
Ces: ?telecommunications? Approvals Handbook (ring Binder)
Ces: ?telecommunications? Billing & Charging (conf 21 November 1988)
Ces: U.k. ?telecommunication Approvals? Manual 2ed
Ces: United Kingdom Telecommunication Approvals Manual 3ed
Network Code of Practice : Developments & Applications (Conf 16 June 1989)
Telecommunications Approval Handbook 1988/89e
The 1990 Telepoint /Ct2 Conference (Conf 29 January 1990)
© 2009-2024, Список Литературы