t7345s 发表于 2014-12-24 22:02:05

ETSI EG 201 022 V1.1.1 (1998-06)

EG 201 022 V1.1.1 (1998-06)
ETSI Guide
Broadband Integrated Services Digital Network (B-ISDN);
Digital Subscriber Signalling No. two (DSS2) protocol;
B-ISDN user-network interface layer 3
specification for point-to multipoint call/bearer control;
Service Description Language (SDL) validation model

admin 发表于 2014-12-25 11:08:29

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