Access and Terminals (AT); Analogue Access to Public Network; Advisory Notes to Standards harmonizing terminal interface; Part 4: Information arising from CEC decisions; Sub-part 1: General loop steady state requirements
接入和终端(AT);模拟接入公共网络;协调终端接口标准的咨询说明;第4部分:由CEC决策产生的信息;第1子部分:一般回路稳态要求