Private Telecommunications Network (PTN); Specification, Functional Model and Information Flows Do Not Disturb and Do Not Disturb Override Supplementary Services
国外标准现行
标准号:ETSI ETS 300 363-1994
标准名称: 专用通信网络(PTN).规范,功能模型和信息流.非干扰及非干扰过量补充业务
英文名称:Private Telecommunications Network (PTN); Specification, Functional Model and Information Flows Do Not Disturb and Do Not Disturb Override Supplementary Services