98/482/EC: Council Decision of 20 July 1998 on a common technical Regulation for the attachment requirements for connection to the analogue public switched telephone networks (PSTNs) of terminal equipment (excluding terminal equipment supporting the voice telephony justified case service) in which network addressing, if provided, is by means of dual tone multi-frequency (DTMF) signalling
98/482/EC:1998年7月20日理事会关于连接到终端设备(不包括支持语音电话合理案例服务的终端设备)的模拟公共交换电话网络(PSTN)附件要求的通用技术法规的决定 其中 如果提供网络寻址 则通过双音多频(DTMF)信令
98/482/EC: Council Decision of 20 July 1998 on a common technical Regulation for the attachment requirements for connection to the analogue public switched telephone networks (PSTNs) of terminal equipment (excluding terminal equipment supporting the voice telephony justified case service) in which network addressing, if provided, is by means of dual tone multi-frequency (DTMF) signalling