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ITU-T E.157 (06/2021)

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国际主叫方号码传送
ITU-T E.157建议书为技术中立的跨国界国际主叫方号码传送提供了指南。

Citation: https://handle.itu.int/11.1002/1000/14649
Series title: E series: Overall network operation, telephone service, service operation and human factors
  E.100-E.229: International operation
  E.140-E.159: Operation of international telephone services
Approval date: 2021-06-11
Provisional name:E.cpnd
Approval process:TAP
Status: In force
Maintenance responsibility: ITU-T Study Group 2
Further details: Patent statement(s)
Development history