Telephone network and ISDN : operation, numbering, routing and mobile service: recommendations E.100 - E.333 / International Telecommunication Union

PLENARY ASSEMBLY, IX, Melbourne, 1988; UIT

Geneva: ITU, 1989

XII, 361 p. ; 30 cm

Blue Book. Fasc. II.2; Vol. II

92-61-038-61-3

Vária

Serviços-de-Telecomunicações; Redes-Telefónicas; RDIS; Serviços-Móveis

1989

Material Textual Impresso

ENG