ECMA 202 : 2ED 97現行
PRIVATE INTEGRATED SERVICES NETWORK (PISN) - SPECIFICATION, FUNCTIONAL MODEL AND INFORMATION FLOWS - CALL INTRUSION SUPPLEMENTARY SERVICE (CISD)
出版：European Computer Manufacturers Association
專家解讀視頻
基本信息
標準編號： ECMA 202 : 2ED 97
標準類別：Standard
出版單位：European Computer Manufacturers Association
標準頁數：0
標準簡介
Defines the Call Intrusion supplementary service (SS-CI) applying to various basic services supported by Private Integrated Services Networks (PISNs). This is a supplementary service, enabling, on request from the service user, establishment of communication between a busy called user (user B) by breaking into an established call between user B and a third user (user C).
