English translation for "会议电话装置"

conference telephone device

Similar Words：

"会议电话增音机" English translation, "会议电话指示器" English translation, "会议电话中继线" English translation, "会议电话终端" English translation, "会议电话主机" English translation, "会议电视" English translation, "会议电视系统" English translation, "会议电视业务" English translation, "会议电视用的音频" English translation, "会议调用" English translation