" . draft standard to match to and work with ets 300 001 net4 " apparatus using cordless attachments excluding cellular radio apparatus for connection to analogue interfaces of public switched telephone networks run by certain public telecommunications operators " . specification for cordless telephone apparatus using radio links 与ets 300 001 net4相适应的标准草案"由某些公共长途通信接线员操作的公共交换电话网模拟接口连接用无绳附件装置