VoIP(voice over IP) 就是通过IP 网络承载语音业务,也称IP 网络电话。当网络出现拥塞或传输差错时,语音包就会产生时延、抖动甚至丢失,导致语音不连续或中断,-VoIP (voice over IP) through the IP network to carry voice traffic. also known as IP telephone network. When the network is expected to congestion or transmissio