Opening architecture of network is adopted in NGN system, MGCP and SIP are used as key protocol of NGN and occupy very important position in NGN system.

323 and MGCP are agreement of controlling two letters that use extensively among the technology in VoIP at present.

323和MGCP是目前在VoIP技术中被广泛应用的两种信令控制协议。

互联网摘选

The design and implementation of MGC in MGCP based VoIP system

基于MGCP的VOIP媒体网关控制器的设计与实现

互联网摘选

The most widely application of signaling protocol is SIP, MGCP and H.248. As an important media control protocol, H.248 has inherited all advantages of the protocols before.

目前应用最为广泛的信令协议是SIP、MGCP和H.248，尤以当前处于核心地位的媒体网关控制协议H。

互联网摘选

Media Gateway Control Protocol ( MGCP) is a important protocol in NGN network.

媒体网关控制协议是NGN网络中一个重要的协议。

互联网摘选

The basic voice call flows are designed on the basis of MGCP protocol and SIP protocol and includes local office flow and inter-office flow.

基本语音呼叫流程设计基于MGCP协议和SIP协议，包括本局呼叫流程和出入局呼叫流程。

互联网摘选

And introduce related media transmission protocol RTP ( Realtime Transport Protocol), RTCP ( Realtime Transport Control Protocol) and MGCP ( Media Gateway Control Protocol), as well as MIXER and FOCUS which composition conference, event notification server and policy server etc.

同时介绍相关媒体传输控制协议：实时传输协议RTP、实时传输控制协议RTCP、媒体网关控制协议MGCP。以及组成会议的基本元素中心节点FOCUS、混合器MIXER、事件通知服务器、策略服务器等等。

互联网摘选

The latest Distributed Gateway ( DG) architecture based on VoIP and its internal Protocol& Media Gateway Control Protocol ( MGCP) are presented.

在IP承载语音（VoIP）和媒体网关控制协议（MGCP）的基础上，提出了分布式网关（DG）体系结构，给出与H。

互联网摘选

In respect of VoIP technique and standard, SIP becomes the dominating protocol because SIP is more opening, easier to extend, closer to Internet than the other protocols such as H.323 and MGCP.

在VoIP技术和标准方面，SIP协议以其更加开放、更易扩展、与Internet紧密结合等特性，逐渐战胜H.323、MGCP等协议成为VoIP的主流协议。

互联网摘选

Research of MGCP Decode Module in the NGN Concentrative Monitor System

下一代网络集中监测系统MGCP解码模块的研究

互联网摘选

Design and Implementation of Call-Agent Server Based on MGCP Protocol

基于MGCP协议的呼叫代理服务器的设计与实现

互联网摘选

Finally, through the analyse and debugging of the protocol source code, the simple communication function on a single machine was succeed, then, the emulation of the MGCP agreement was finished.

最后，通过协议源代码，对源代码进行分析调试，并实现简单的单机通信功能，从而达到设计的要求，实现对该协议的仿真。

互联网摘选

MGCP is an important protocol used to control media gateway in next generation network developed by IETF.

MGCP是IETF制定的下一代网络中用于控制媒体网关的重要协议。

互联网摘选

This paper does not try to achieve the goal by optimizing the existing network and voice encoding algorithms. First, we measure the MOS of voice on the MGCP terminals. Then the type of encoding algorithm can be changed dynamically according to MOS.

本文并没有试图使用相关技术改变网络现状和改良语音编码算法，而是在MGCP终端通过测量语音MOS值来动态改变编码算法。

互联网摘选

By giving two call-flow examples starting from MGCP terminal and H.323 terminal, the realization of interworking between MGCP and H.323 are described in detail.

323终端发起呼叫为例，详细描述了MGCP和H.323互通的实现。

互联网摘选

VoIP system on HFC that accords with MGCP architecture takes advantage of CATV network resources and meets the requirement of large& scale VoIP service.

合MGCP体系的HFC上的IP电话系统充分利用了CATV网络资源，从根本上满足了大规模IP电话服务的需要。

互联网摘选

On the basis of the analysis and comparison of MGCP to H.323 protocol, a kind of implementation method of interworking between MGCP and H.323 is proposed in this paper, a design method for protocol interworking model and call-processing module is mainly discussed.

323协议的分析和比较，提出了MGCP和H.323协议互通的实现方法，重点探讨了协议互通模型和呼叫处理模块的设计方法，并分别以MGCP和H。

互联网摘选

RTCP is used to monitor the QoS of RTP data transmission.

RTCP用来对RTP数据传输的QoS进行监控。

互联网摘选

The second chapter introduces related H. 323 protocols and RTP/ RTCP protocols;

第二章介绍了与动态位速率调整模块相关的H.323协议族和RTP/RTCP协议。

互联网摘选

The Making of Post Processor on 5_Axis Machine Tool with the RTCP Function

带RTCP功能五轴机床后置处理程序的编制

互联网摘选

Then RTCP send the information to the server. The server adjusts transmitting rate according to these information.

RTCP将包含这些影响网络状态信息的包传送至服务器端，服务器据此调整发送速率。

互联网摘选