t7345s 发表于 2015-1-16 20:35:38

ETSI EG 201 722 V1.2.1 (2000-12)

ETSI EG 201 722 V1.2.1 (2000-12)
ETSI Guide
Intelligent Network (IN);
Service provider access requirements;
Enhanced telephony services

admin 发表于 2015-1-18 12:54:24

谢谢您的分享,金币已奖励
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