gmt88 发表于 2013-7-30 00:34:09

ISO/IEC 21889:2001 Call Identification and Call Linkage Additional Network Featu

ISO/IEC 21889:2001(E)
First Edition
2001-09-01
Information Technology -
Telecommunications and Information Exchange Between Systems -
Private Integrated Services Network -
Inter-Exchange Signalling Protocol -
Call Identification and Call Linkage Additional Network Feature

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admin 发表于 2013-7-30 10:10:41

谢谢您的分享，金币已奖励。

21319817 发表于 2013-8-29 08:06:54

:lol
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