But on the outcome of current IP telephony, the vast majority of the network telephone had to use multimedia PC to achieving transmission through its network interface, which in effect increased IP telephony hardware costs. 但就目前IP电话的成果来看,绝大多数的网络电话都是以多媒体PC机为载体并通过它的网络接口进行网络传输的,这就于无形中加大了IP电话的硬件成本。
The software design and development of this IP telephone is well introduced in this document including its network module, voice processing module, main control module and user interface module etc. 本文详细介绍了该终端的软件设计与开发,包括网络模块、语音处理模块以及主控和用户接口模块等。