Application of IP phone net is introduced to save national and international long-distance fees.
介绍了如何运用IP电话网络来节省国际，国内长途通信费用。
The design of Embedded long distance controller based on telephone net in this paper.
本文介绍了实现基于电话线的嵌入式远程控制单元的设计方案。
The design of Embedded long distance controller based on telephone net in this paper.
本文介绍了实现基于电话线的嵌入式远程控制单元的设计方案。
应用推荐