t7345s 发表于 2014-12-30 22:29:35

ETSI EG 201 184 V1.1.1 (1998-10)

EG 201 184 V1.1.1 (1998-10)
ETSI Guide
2-wire analogue voice band interfaces;
Multiple line terminal equipment specific characteristics

admin 发表于 2014-12-31 11:11:52

谢谢您的分享，金币已奖励
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