gmt88 发表于 2013-7-8 07:26:31

ISO/IEC 19459:2001 Single Step Call Transfer Supplementary Service

ISO/IEC 19459:2001(E)
First Edition
2001-05-01
Information Technology -
Telecommunications and Information Exchange Between Systems -
Private Integrated Services Network -
Specification, Functional Model and Information Flows -
Single Step Call Transfer Supplementary Service

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admin 发表于 2013-7-8 21:17:27

谢谢您的分享，金币已奖励。

21319817 发表于 2013-8-29 15:38:26

:lol
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