gmt88 发表于 2013-7-29 00:15:00

ISO/IEC 15051:2003 Recall Supplementary Service

ISO/IEC 15051:2003(E)
Second Edition
2003-04-01
Information Technology -
Telecommunications and Information Exchange Between Systems -
Private Integrated Services Network -
Specification, Functional Model and Information Flows -
Recall Supplementary Service

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admin 发表于 2013-7-29 12:21:37

谢谢您的分享，金币已奖励。

21319817 发表于 2013-8-29 08:11:45

:lol
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