gmt88 发表于 2013-7-15 00:32:10

ISO/IEC 11572:2000 Circuit Mode Bearer Services - Inter-Exchange Signalling Proc

ISO/IEC 11572:2000(E)
Third Edition
2000-03-15
Information Technology -
Telecommunications and Information Exchange Between Systems -
Private Integrated Services Network -
Circuit Mode Bearer Services -
Inter-Exchange Signalling Procedures and Protocol

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admin 发表于 2013-7-15 21:27:35

谢谢您的分享，金币已奖励。

21319817 发表于 2013-8-29 10:33:19

:lol
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