Isdn: Concepts, Facilities, and Services (McGraw-Hill Series on Computer Communications): Kessler, Gary C., Southwick, Peter V.: 9780070342491: Amazon.com: Books
Telefon / ISDN-Installationen: Installation von Endeinrichtungen für öffentliche Telekommunikationsnetze: Gerd Ballewski, Jan De Vries: 9783778527351: Amazon.com: Books
Isdn: An Introduction: Stallings, William: 9780024154712: Amazon.com: Books
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Amazon.com: Fiberplex FOI-5401-T22, Isolator for T1 DS-1 or ISDN PRI Interface : Electronics
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