Technique whereby the information (voice or data) to be sent is broken up into packets, of at most a few KB each, which are then routed by the network between different destinations based on addressing data within each packet.

• 该技术将所发送的信息（语音或数据）分成多个数据包，每个数据包最多有几个KB，这些数据包随后由网络基于每个数据包中的寻址数据在不同目标之间发送。