ISBN: 9787564067625 - 数字程控交换技术与应用（第2版） (1 risultati)

paperback. Condizione: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Paperback. Pub Date :2013-01-01 Pages: 265 Language: Chinese Publisher: Beijing Institute of Technology Press. digital telephone switching technology and application ( 2nd Edition ) is divided into seven chapters: Chapter 1 introduces the development of program-controlled switches . classification and modern switching technology ; Chapter 2 describes the digital switching concepts. principles and digital switching network ; Chapter 3 describes the digital PBX hardware overall structure . comm.Four Satisfaction guaranteed,or money back. …