gmt88 发表于 2013-7-17 00:26:13

ISO/IEC 21991:2002 Call Completion Supplementary Services

ISO/IEC 21991:2002(E)
First Edition
2002-06-15
Information Technology -
Telecommunications and Information
Exchange Between Systems -
Corporate Telecommunication Networks -
Signalling Interworking Between QSIG and H.323 -
Call Completion Supplementary Services

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admin 发表于 2013-7-17 20:45:02

谢谢您的分享，金币已奖励。

21319817 发表于 2013-8-29 10:23:05

:lol
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