This Recommendation describes Capability Set 2 (CS-2) of Bearer Independent Call Control (BICC) basic call procedures for the support of narrow-band ISDN services independent of the bearer technology and signalling message transport technology used. This Recommendation defines the procedures at the Call Service Functions (CSFs) within originating/destination Serving Nodes (SNs) (ISNs interworking with an access signalling system), intermediate national/international SNs (TSNs), incoming/outgoing nationalhnternational gateway SNs (GSNs) and Call Mediation Nodes (CMNs). Actions common for all types of SN/CMN are described once. Different or additional actions required at a specific type of SN/CMN are specified in a separate clause. ITU-T Q. 1902.1 provides an overview of the BICC protocol.
ITU-T Q.1902.4 SPANISH-2001由国际电信联盟 IX-ITU 发布于 2001-07-01。
ITU-T Q.1902.4 SPANISH-2001 在中国标准分类中归属于: M10 通信网综合。
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