ETSI EG 202 518的主要目的是为使用手持设备或 向设备供应商提供耳机，例如联系中心的运营商及其供应商，他们寻求确保用户 未暴露在超过指令2003/10/EC[i.3]规定限值的声压水平下。本文件给出了测量手机和耳机声暴露的程序指南 终端设备和保护用户听力所需的最大声级指南。突发声信号引起的“惊吓效应”不在本文件的范围内。本文件不涉及大声说话的电话。

The main purpose of ETSI EG 202 518 is to provide guidance for use of terminal equipment using a handset or headset to equipment providers, e.g. operators of contact centres and their suppliers, who seek to ensure that users are not exposed to acoustic pressure levels in excess of the limits set out in Directive 2003/10/EC [i.3].The present document gives guidance on procedures for measuring acoustic exposure from handset and headset terminal equipment and guidance on the maximum acoustic levels required to protect users' hearing.The "startle effects" caused by sudden acoustic signals are outside the scope of the present document.The present document does not deal with loud speaking telephones.