ETSI TR 103 000-3-1-2001 接入和终端(AT).公共电话网的模拟接入.协调终端接口的标准的建议注释.第3部分:国家特别建议注释.第1子部分:捷克公共网的ATAAB建议注释AN018.自动(?)
Access and Terminals (AT); Analogue Access to Public Telephone Networks; Advisory Notes to Standards Harmonizing Terminal Interface; Part 3: Country Specific Advisory Notes; Sub-Part 1: ATAAB Advisory Note AN018 for the Czech Republic Network; Automatic D