Public Switched Telephone Network (PSTN); Alternative Sender for Multifrequency Signalling System to Be Used for Push-Button Telephones; (CEPT Recommendation T/STI 46-04 E (1986))
标准号:ETSI ETR 207-1995
标准名称: 公用交换电话网(PSTN).按键电话用多频信令系统可选发报机(CEPT建议T/ STI 46-04 E(1986))
英文名称:Public Switched Telephone Network (PSTN); Alternative Sender for Multifrequency Signalling System to Be Used for Push-Button Telephones; (CEPT Recommendation T/STI 46-04 E (1986))
标准类型:国外标准
标准状态:现行
中国标准分类号(CCS):M40