t7345s 发表于 2014-12-30 22:30:58

ETSI EG 201 185 V1.1.1 (1999-02)

EG 201 185 V1.1.1 (1999-02)
ETSI Guide
Terminal support interface for
harmonized analogue PSTN terminals

admin 发表于 2014-12-31 11:11:54

谢谢您的分享，金币已奖励
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