会话初始化协议

介绍了会话初始化协议（SIP）；

The SIP ( Session Initiation Protocol ) is introduced .

会话初始化协议（SIP）是下一代网络中应用层的信令控制协议。

The session initiation protocol is the session controlling protocol of application layer of NGN ( next generation network ) .

SIP（sessioninitiationprotocol，会话初始化协议，简称SIP）作为流媒体软件开发协议得到了广泛的应用。

SIP ( Session Initiation Protocol ) obtained the widespread application as the protocol of streaming media software development protocol .

会话初始化协议（SIP）被视为未来网络多媒体通讯的标准协议。

SIP is considered to be the standard protocol of network based multimedia communication in the future .

IETF提出的SIP（sessioninitiationprotocol）会话初始化协议是一个应用层信令控制协议。

The Session Initiation Protocol ( SIP ) is an application-layer control ( signaling ) protocol distributed by IETF .

它采用SIP（sessioninitiationprotocol，会话初始化协议）体系，将业务、呼叫控制和承载分离，具有通信与接入方式无关的特性。

The system uses session initiation protocol architecture which makes operation , call control , bearing apart , it has irrelevant ways of connecting .

如果说可以把H.323当作香草，那么会话初始化协议（SIP）就是草莓。

Well , if H.323 can be considered vanilla , then Session Initialization Protocol ( SIP ) could be strawberry .

SIP（sessioninitiationprotocol，会话初始化协议）是由IETF（Internet工程任务组）提出的VoIP电话应用层控制信令协议。

SIP ( Session Initiation Protocol ) is one of application-layer control signaling protocols in VoIP technology proposed by IETF ( Internet Engineering Task Force ) .

描述了SIP（会话初始化协议）采用的安全模型及一种包含用户认证的商用IP电话业务的体系结构，以及性能问题。

The paper describes the security model used by SIP , the architecture of a possible commercial IP telephony service including user authentication , and the performance issue .

会话初始化协议（SIP）是能够在第3代移动通信系统（3G）中传输IP（internetprotocol）多媒体业务的信令协议。

Session initiation protocol ( SIP ) is a signaling protocol . It can transmit IP ( Internet Protocol ) multimedia operation in 3G and fuse Internet and mobile beehive system .

给出了SIP（会话初始化协议）协议下，ParlayAPI业务生成环境的总体结构和映射，并在此结构上应用一个业务实例来分析它的相关过程。

The paper gave an architecture and mapping of SCE for Parlay API in a SIP environment and used an example to illustrate it .

其他一些协议也正在开始使用SCTP，例如会话初始化协议（SessionInitiationProtocol，SIP）和通用通道信号系统7（SS7）。

Other protocols are using SCTP , such as the Session Initiation Protocol ( SIP ) and the Common Channel Signaling System No.7 ( SS7 ) .

如何将会话初始化协议（SIP）与现有的通信网络有机结合，提供安全可靠的数据及通信服务已成为当今的热点问题。

How to combine Session Initiation Protocol ( SIP ) with current communication system well so as to provide secure telecommunication services has become a hot current issue .

IMS位于3G核心网中，构架于分组域（PS）之上，并选择了会话初始化协议（SIP）作为该子系统的主要信令控制协议。

IMS is located in the 3G Core Network and built on Packet Domain . It chooses Session Initiation Protocol ( SIP ) as its signal control protocol .

随着会话初始化协议（SIP）逐渐成为下一代网络的核心信令控制协议，基于SIP协议的服务器和终端产品也大量涌现。

As the Session Initiation Protocol ( SIP ) gradually becomes a core signaling control protocol of the next generation networks , there appear plentiful SIP-based servers and terminators .

该文通过对会话初始化协议SIP中增加一种新的DO方法来实现对网络用具的控制。

This research has the objective of adding a new method , called DO , to the session initiation protocol ( SIP ) in order to control these network appliances .

323以及IETF的会话初始化协议（SIP）两种标准。

There are two standards for signaling and control of IP telephone calls , namely ITU-T Recommendation H.323 and the IETF Session Initiation Protocol ( SIP ) .

会话初始化协议（sessioninitiationprotocol，SIP）具有设计思想简洁开放、移动性和扩展性好等优势，正在逐步取代H.323成为VoIP系统中的核心信令控制协议。

With its simple and open design concept , mobility , scalability and good incomparable advantages , Session Initiation Protocol is gradually replacing H.323 as the core signaling protocol in the VoIP system .

本文首先介绍了IP电话的定义、业务类型、结构以及语音通信协议ITU-T的H.323系列和IETF的会话初始化协议（SIP）。

This paper firstly introduces the definition , operation type , instruction and voice communication protocol including H.323 of ITU-T and Session Initiation Protocol ( SIP ) of IETF .

为改善传统SIP（会话初始化协议）移动架构下位置管理和实时业务的切换性能，提出了一种基于锚域的异构无线网络移动性管理方案。

Session Initiation Protocol ( SIP ) can implement the control of Next Generation Network ( NGN ) integration service , but it can not make a difference between users and data services .

近年来，会话初始化协议（sessioninitiationprotocol，简称SIP）在通信和网络研究领域受到极大关注，是下一代网络（NGN）中的核心协议之一。

In recent years , session initiation protocol ( SIP ) is gotten more attention in the research fields of communication and network , is one of core protocols for Next Generation Network ( NGN ) .

本文首先简要介绍了会话初始化协议（SIP）的基本内容，然后对SIP协议中的注册和呼叫流程中的认证机制做了分析，并提出了改进的方法。

This paper briefly introduces the basic contents of the SIP protocol , analyze the registration and the certification mechanism in the call flow , and proposes an improved solution to the registration mechanism .

另一方面，会话初始化协议SIP作为下一代网络中IP多媒体子系统IMS的多媒体会话控制协议，因其具有对网络的良好的移动性支持能力而受到普遍关注。

On the other hand , Session Initiation Protocol ( SIP ) as the multimedia session control protocol of the next-generation IP Multimedia Subsystem , has proven to be one of suitable techniques in mobility support capabilities .

会话初始化协议SIP正是在此基础上应运而生的，它是一个基于网络的用来建立、修改以及结束多媒体会话的控制协议。

Under this scenario , SIP ( session initialization protocol SIP ) emerges as a new research topic . It serves as a controlling protocol to establish , modify and end multimedia conversations based on the Internet .

作为整个现代网络安全的基础，该文提出了验证的概念，它是会话初始化协议（SIP）网络中合并了可扩展认证协议（EAP）验证体系的一种机制。

With undertaking the entire basis for the modern Internet security , authentication ; a mechanism is proposed here which incorporates the EAP authentication framework to SIP ( session initiation protocol ) network .

它采用会话初始化协议（SIP）作为其核心控制协议来建立、管理和终止多媒体业务，能够同时支持多种接入方式，是固定网和移动网融合的引擎。

It uses the Session Initiation Protocol ( SIP ) as its core control protocol to create , manage and terminate all kinds of multimedia services , supports many access modes and becomes the engine converging fixed and mobile networks .

介绍了会话初始化协议的基本内容，提出了基于IN与Internet互联，利用会话初始化协议实现ICW业务的方案，并对其中的关键技术进行了讨论。

Session Initiation Protocol ( SIP ) is briefly introduced at the beginning . Then primary technologies used in ICW are discussed . IN / Internet interworking architecture , software components for implementing ICW and ICW service scenario are presented .

SIP（会话初始化协议）就是在这种背景下由IETF提出的，它是应用层信令控制协议，主要用于IP网络中媒体通信时的会话管理。

At this background , the IETF advice SIP to be an application layer signaling control protocol used to manage the multimedia communication session created on the IP network . It is simpler than H.323 protocols , and more convenient for developer to develop new applications .

会话初始化协议及其应用：现状、问题与展望

Session Initiation Protocol and Application : Status , Problem and Prospect

在此基础上，又对网络电话相关协议的协议栈进行了移植，主要有用于信令控制的会话初始化协议和用于实时数据传输的实时传输协议等。

Then , related protocols stacks of VoIP are transplanted , including SIP ( Session Initiation Protocol ), RTP ( Real-time Transport Protocol ) and so on .