foip

Including mainly : the functional architecture designs of the real-time FoIP gateway ;

主要包括：实时IP传真网关功能结构设计；

Network delay and package lost are analyzed chiefly . It ensures the transmission quality of FoIP which is one of the difficulty .

重点分析了IP传真的网络延时、网络丢包等问题，保证了IP传真通信的传输质量，这是课题研究的难点之一。

The key of realizing FoIP is to design a connective equipment - Facsimile Gateway between the traditional telephone network and Internet .

实现IP传真的关键是设计一个传统电话网和Internet之间的连接设备&传真通信网关。

The rapid development of the Internet and the low cost of IP communication , have made Facsimile over IP ( FoIP ) an inevitable trend .

Internet在世界范围内的飞速发展和IP通信低资费的优势，使得IP传真通信成为一种必然的发展趋势。

With the analyses of VOIP / FOIP devices , the architecture and design of Host - based VOIP / FOIP are discussed .

文章通过对企业级VOIP／FOIP设备的分析，讨论了基于PC主机系统的VOIP网关的架构并简介了该网关系统的硬件与软件设计方法。

With the IP-based technology to a variety of application , especially VOIP / FOIP technology proposed , the data communications network gradually integrated into the traditional voice / fax business .

基于IP技术的各种应用的提出，特别是VOIP、FOIP技术的提出，使数据网络通信逐渐融入了传统的话音、传真业务领域。

The paper starts with FoIP technology and the basic principle of the gateway and analyzes the functional architecture of the gateway . At last Internet Facsimile Gateway has been designed .

本文从IP传真技术和网关的基本原理入手，分析了网关的功能结构，设计了Internet传真通信网关。

With the rapid development of the Internet technology , constant merging of IP technology and traditional telecommunication technology has made Facsimile over IP ( FoIP ) an inevitable trend of fax development .

随着Internet技术的迅速发展，IP技术与传统电信技术不断融合，使得IP传真成为传真发展的必然趋势。

The protocols used in the Real-time FoIP communication are analyzed , and the main job includes : The communication procedures between the facsimile terminal and the gateway based on the recommendation T.

分析了实时IP传真通信过程中相关协议。主要包括：基于T。

A Fax of IP ( FoIP ) prototype with three-layer structure including gateway , gatekeeper and background server is designed and implemented , using a popular Foll ~ industrial solution .

本文采用目前工业流行的IP传真解决方案，用UML设计和实现一个包括网关、网守和后台服务器三层结构的IP传真原型系统。

Real-time FoIP ( Facsimile over IP ), born from the combined technology of IP and traditional facsimile communication , with the advantages of real time , easy operation , low cost and so on , has good prospect .

实时IP传真通信是IP技术与传统传真通信技术相融合的产物，具有通信实时性强、接近传统传真的操作方式、资费低等诸多优点，应用前景广阔。

The call establishment procedures are studied mainly and Facsimile Gateway can set up the connections with more than one user . It is the basic function and the precondition of FoIP , which is also difficulty in the project .

重点研究设计了传真呼叫建立规程，能够同时与多个传真用户建立传真连接，这是传真网关的基本功能，是实现IP传真的前提，也是课题研究的难点之一。