...isco全系列产品包括ATM / Frame-Relay宽频交换机、超高速交换路由器（Giga Switched Router）、语音讯号处理（Voice Signaling）、可程式电话交换机、电话加值服务（Voice Value-Added Services）、数位用户回路（DSL）相关产品、有线电视网路相关产品、高速／...
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VSS Voice Signaling System 语音信令系统
voice frequency signaling system 音频信令系统
voice evacuation signaling system 广播疏散信号系统
VFSS Voice Frequency Signaling System 音频信令系统
voice-frequency signaling 语音频率信号方式
voice frequency signaling set 音频信号设备
Voice Channel Signaling Security 语音通道信令安全
Rather than leveraging peer-to-peer connections as many voice chat services do, Lotus Sametime connect USES the Sametime VP protocol for call signaling.
很多语音聊天服务都使用点对点连接，而Lotus Sametime Connect则将Sametime VP协议用于所有呼叫信号。
But now…” His voice trailed off and he shrugged apologetically before signaling the waiter to bring us the check.
但是现在……”他渐渐闭嘴不出声了，向我耸耸肩表示抱歉，然后向服务员示意买单。
All signaling and voice traffic between the PBX and the provider is exchanged using SIP and RTP protocol packets over the IP network.
所有的信号和语音通信交换机之间的交换和提供者是通过IP使用SIP和RTP协议包网络。
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