Digital local, transit, combined and international exchanges in integrated digital networks and mixed analogue : digital networks supplements (Recommendations Q.500 - Q.554)/

Digital local, transit, combined and international exchanges in integrated digital networks and mixed analogue : digital networks supplements (Recommendations Q.500 - Q.554)/

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Bibliographic Details
Main Authors: International Telegraph and Telephone Consultative Committee, International Telecommunication Union, CCITT Plenary Assembly (9th : 1988 : Melbourne, Australia)
Format:
Published: Geneva : Intl. Telecommunication Union, 1988
Subjects:
Integrated services digital networks
Digital communications

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