I.S. ETS 300 172:1994现行
Private Telecommunication Network (ptn) - Inter-exchange Signalling Protocol - Circuit Mode Basic Services
出版：National Standards Authority of Ireland
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基本信息
标准编号： I.S. ETS 300 172:1994
发布时间：1994/7/26 0:00:00
标准类别：TechnicalSpecification
出版单位：National Standards Authority of Ireland
标准页数：166
标准简介
Defines the Layer 3 protocol for signalling for the support of circuit mode bearer services (used either on their own or in support of teleservices) at the Q reference point between Private Telecommunication Network Exchanges (PTNX) connected together within a Private Telecommunication Network (PTN).
等同采用的国际标准
ETS 300 172 Ed.3 (1995) - Identical
ETS 300 172 : 20003 - Identical
ETS 300 172 : 20003 - Identical
