摘要
介绍IP电话的种类、实现方法、IP电话的关键设备电话网关 ,以及与IP电话有关的技术标准 ,并讨论了IP电话的特点 。
The text has introduced the types, way of realized, key equipment, phone gateway of IP phone, and also introduced the technological criterion about IP phone. It has discussed the characters of IP phone, and indicated the developing direction of IP phone.
出处
《电力系统通信》
2000年第3期32-35,共4页
Telecommunications for Electric Power System
