t7345s 发表于 2015-1-1 19:25:16

ETSI EG 201 189 V1.2.1 (1997-07)

EG 201 189 V1.2.1 (1997-07)
ETSI Guide
Integrated Services Digital Network (ISDN);
Digital Subscriber Signalling System No. one (DSS1) protocol;
Master list of codepoints and operation values

admin 发表于 2015-1-2 17:47:48

谢谢您的分享，金币已奖励
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