Bibliografia

[CCI 88] CCITT-Blue Book - Integrated Services Digital Network (ISDN). V.III. 7 Melbourne,1988.

[KES 93] KESSLER, Gary C. ISDN concepts, facilities and services. USA: McGran-Hill,1993.

[STA 92] STALLING, Willian ISDN and Broadband ISDN. USA: Macmillian, 1992.

[TAN 94] TANENBAUM, Andren S. Redes de Computadores. Rio de Janeiro: Campus, 1994.