Sprach- und Datenübertragung im ISDN und Mobilfunk: 9783936318814: Amazon.com: Books
ISDN: How to Get a High-Speed Connection to the Internet: Summers, Charles, Dunetz, Bryant: 9780471133261: Amazon.com: Books
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Isdn: Concepts, Facilities, and Services (McGraw-Hill Series on Computer Communications): Kessler, Gary C., Southwick, Peter V.: 9780070342491: Amazon.com: Books