正版图书 综合业务数字网 世界图书出版公司出版社 9787506249683 正版图书支持发票 七天无理由退货让您购物无忧

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G.Kesster,P.Southwick 编 /2001-04-01 /世界图书出版公司出版社

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MuchhashappenedintheevolutionofISDNsincethisbook,andthesubsequenteditions,werepublished.Notonlyhave"narrowband"ISDNstandards,products,andservicesevolvedandmatured,butapplicationshavegrown.ISDNisfinallybeginningtorealizeitspromiseOfevenmoresignificanceperhaps,istheemergenceofBroadbandISDN（B-ISDN）technologiesandservicesB-ISDNreceivedpassingmentioninthefirsteditionofthisbookandatleastonededicatedchapterpluspromi-nentmentioninotherchaptersinthesecondedition;thistreatmentwasprettymuchconsistentwithwhatdetailsofB-ISDNwereknownatthetimeofthewritingInthisedition,B-ISDNoccupiesasignificantportionofthebook.

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G.Kesster、P.Southwick 编 /2001-04-01 /世界图书出版公司

综合业务数字网 G.Kesster、P.Southwick 编 9787506249683 世界图书出版公司 【速开发票，优质售后，支持7天无理由退换】

MuchhashappenedintheevolutionofISDNsincethisbook,andthesubsequenteditions,werepublished.Notonlyhave"narrowband"ISDNstandards,products,andservicesevolvedandmatured,butapplicationshavegrown.ISDNisfinallybeginningtorealizeitspromiseOfevenmoresignificanceperhaps,istheemergenceofBroadbandISDN（B-ISDN）technologiesandservicesB-ISDNreceivedpassingmentioninthefirsteditionofthisbookandatleastonededicatedchapterpluspromi-nentmentioninotherchaptersinthesecondedition;thistreatmentwasprettymuchconsistentwithwhatdetailsofB-ISDNwereknownatthetimeofthewritingInthisedition,B-ISDNoccupiesasignificantportionofthebook.

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G.Kesster、P.Southwick 编 /2001-04-01 /世界图书出版公司