In this paper,the method for measuring the QoS for VoIP network is introduced and the main elements affecting VoIP QoS performance such as delay jitter,packet loss and IP network delay analyzed.
文章介绍了VoIP(IP网络上传送语音)语音质量的测试方法,分析了影响VoIP语音质量的主要因素:延迟、抖动、丢包率和时延。
In IP-based networks,VoIP has become the representative technology of the next generation voice system,but its QoS is limited by the IP network capacity.
在以IP为基础的网络中,IP网络上传送语音(VoIP)成为新一代语音系统的代表,但其业务质量因由IP网络承载而受到限制。
With the development of the technology of VOIP, Digital Signal Processor and PC bus interface, the IP Voice Card is getting more intelligent.
随着VOIP技术、DSP技术、PC总线接口技术的发展，基于DSP通用处理器的IP电话语音卡更加智能化。
The Research of VOIP Voice Gateway and the Implementation and the Design of Its Hardware;
VOIP语音网关的研究与硬件设计实现
Design and Implementation of IP Facsimile Module in Voice Gateway;
语音网关IP传真模块的设计与实现
Research and Design of Voice Gateway in Trunking System IP Networking;
集群通信系统IP联网语音网关的研究与设计
Design and Implementation of Voice Gateway for Ground-to-Air Radio Based on Internet Protocol Network
基于IP网的地空电台语音网关设计与实现
Some Key Technologies of Telecom-Level VoIP Network Construction;
构建电信级IP语音网络的若干关键技术
EmbeddedIP-PBX Voice Gateway Based on SIP Research & Design;
基于SIP的嵌入式IP-PBX语音网关的研究与设计
The Design and Implementation of IP Ignaling Gateway Based on Voice Management
基于语音调度的IP信令网关的设计与实现
The Analysis and Design of Voice Service Processing Structure Based on IP Network;
基于IP网络的分布式语音业务处理结构
Simulation analysis of recovery performance in VoIP network based on MPLS
基于MPLS的IP语音网络恢复性能仿真分析
Voice over IP (VOIP)
在IP网上传输话音（VOIP）
Other gateways include voice gateways and SMS gateways.
其他网关包括语音网关和SMS 网关。
Oracle9iAS Wireless does not ship with a voice gateway;
Oracle9iAS Wireless 没有装载语音网关；
The Study of Ethernet-oriented Voice Gateway and Implementation by FPGA and ARM;
以太网语音网关的研究及其FPGA+ARM实现
Research of Effective Transmitting for IP Telephony on Internet;
IP语音在Internet上有效传输的研究
Study of Voice CODEC and Transmission Over IP Network Facing Remote Monitoring System;
面向远程监控的IP语音处理、传输研究
Development on the Voice Signal Processing and Transmission Systems in the IP Telephones;
IP电话语音信号处理、传送系统的研制
The Design and Implementation of the IP Bearer of AMR Voice;
AMR语音在IP上承载的理论研究和实现
Design of the Digital Voice Conference System Based on TCP/IP
基于TCP/IP的数字语音会议系统设计
