TS 122 032-2018
数字蜂窝电信系统（2+阶段）（GSM）；通用移动通信系统（UMTS）； LTE；立即终止服务（IST）；服务说明;第 1 阶段（V15.0.0；3GPP TS 22.032 版本 15.0.0 第 15 版）

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Immediate Service Termination (IST); Service description; Stage 1 (V15.0.0; 3GPP TS 22.032 version 15.0.0 Release 15)

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标准号

TS 122 032-2018

发布

2018年

发布单位

ETSI - European Telecommunications Standards Institute

当前最新

TS 122 032-2018

 

 

适用范围

This Technical Specification specifies the stage 1 description of the Immediate Service Termination (IST) service which provides the means for the HPLMN to terminate all the activities of an HPLMN subscriber in a VPLMN. The purpose of this network feature is to enable the HPLMN to control the activities of its subscribers@ particularly while they are roaming. If the HPLMN decides (based upon information received via Fraud Information Gathering System (FIGS) or other systems) that a roaming subscriber is behaving in a fraudulent or suspicious manner@ the HPLMN can terminate all activities of the subscriber@ including calls (including transferred and diverted calls) that are in progress. This procedure can also be used to terminate all the activities of a subscriber when the subscription has ended. The primary aim is to enable service providers etwork operators to use IST to reduce the amount of money that they lose because of roaming fraud.

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