由免提电话芯片制成的电话会议终端机焦东林，姜岩电话会议终端机概述电话会议终端机是电话会议的终端设备，它用于电话会议的各分会场，进行扩音输出以供集体收听电话会议。电话会议终端机要提供足够的扩音功率，供几十人、上百人集体收听电话会议，也要提供一个话筒，以... Conference call terminal made by hands-free phone chip Jiao Donglin, Jiang Yan Overview of teleconference terminals Teleconferencing terminals are the terminal equipment of teleconference, which is used for each conference venue of the teleconference to amplify the output for collective reception meeting. Teleconference terminal to provide enough amplification power for dozens of people, hundreds of people collectively to listen to conference calls, but also to provide a microphone to ...