sip protocol tutorial

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SIP protocol overview audio and video tutorial

SIP is an application control signaling protocol proposed by IETF. As the name implies, it is used to initiate a session. It can be used to create, modify, and end multimedia session processes attended by multiple participants. Participants can communicate with each other through multicast, unicast, or network connection. There are clients and servers in the SIP.

SIP (Session Initiation Protocol) Conversation Initiation Protocol

SIP (Session Initiation Protocol) Conversation Initiation Protocol is an application layer control (signaling) protocol for network telephony and conferencing. It is mainly a multimedia communication protocol based on IP network. It can realize the signaling functions are al

Sipana a distributed sip analyzer (analysis) Open-Source SIP protocol analysis tool

This tool is a real-time analysis of the SIP Communication Protocol, which is the main function of the Communication Engineering of zhongzheng University. In addition, the distributed design can be used to analyze cross-domain sip packets, draw a complete signaling flowchart, and control the web interface... background in view of the fact that there is no free co

Understanding sip-the most popular communication protocol today

Address: http://www.sipcenter.com/sip.nsf/html/Chinese+SIP+Overview Introduction Next-generation services Historical Review Advantages of SIP: Web-like scalable open communication SIP session Composition Introduction Communication providers and their partners and users are increasingly eager for a new generation of IP-based services. Now we have

Core Protocol of NGN-Details of SIP protocol

I. background and functions of the SIP protocolSIP (Session Initiation Protocol) is developed to help provide advanced telephone services that span the internet. Internet telephone IP telephone) is evolving to a formal business telephone model, and SIP is an important member of the series of protocols to ensure the implementation of this evolution.SIP is part of

Network integration of video surveillance services based on Ngn/ims (SIP Protocol) communication Platform

I. Overview Review the video surveillance market, the monitoring platform system used by the signaling control protocol is not unified, resulting in the interconnection of the technical threshold. This is a bit similar to the 80 's China's switch market eight system of the situation. These reasons hinder the network era of large-scale carrier-level video surveillance, remote access, centralized management needs. The industry has explored two ways to s

SIP protocol (Chinese)-1

1. Introduction to the SIP protocol Many applications on the internet need to establish and manage a session. The session here refers to the exchange of data between participants. Considering the actual situation of participants, the implementation of these applications is often very complicated: Participants may move between agents, they may have multiple names, the communication between them may be based

[SIP Protocol] learning notes for beginners

Author: gnuhpcSource: http://www.cnblogs.com/gnuhpc/ 1. How is the SIP coming and how is it constructed? In general, SIP is a lightweight signaling protocol, which can be used as a signaling for audio, video, and timely information. Speaking of how the SIP is coming out, we need to mention H.323, and the standard has

SIP (Session Initiation Protocol, Conversation Initiation Protocol)

SIP (Session Initiation Protocol, conversational initial protocol) was developed to help provide advanced telephony services across the Internet. Internet telephony (IP telephony) is evolving into a formal business telephony model, and sip is an important part of the NGN (Next Generation Network) family of protocols ne

SIP protocol Detailed (Chinese)-2

and established the session. A called party from receiving invite request, to terminate invite established dialogue end, is called the callee. Location Service: Positioning services. The location service is used for SIP forwarding or proxy servers to determine where the caller might be. It contains a table that is bound to Address-of-record, and the callee may have 0 or more records. A bound record can be added and deleted through multiple channels

SIP protocol (Chinese)-2

the attributes of a session. Finally, section 15th describes how to terminate a session. Section 8th, 10, 11, 12, 13, 14, and 15 describes the complete UA core (section 9th describes cancellation and is used in UA core and proxy core ). Section 16th describes proxy servers, which are used for message routing between two UA instances. 6. Protocol definitionThe rankings described below have additional significance for SIP:Address-of-record: record addr

Voice and IP communication: Support for SIP protocol in Cisco Unified Communication (1)

The SIP Protocol provides a standard-based IP communication method for multiple devices and applications. This White Paper describes the support for the SIP protocol in the Cisco communications system. Cisco's Unified Communication System includes IP voice, data and video communication products and applications, which

Relationship between network Video transmission protocol--RTP/RTCP/RTSP/SIP/SDP

RTP/RTCP/RTSP/SIP/SDP relationship1. RTPReal-time Transport Protocol is a Transport layer protocol for multimedia traffic on the Internet. The RTP protocol details the standard packet format for transmitting audio and video over the Internet. RTP protocols are commonly used in streaming media systems (with the RTCP

Research on combined application of sip sap and SDP protocol

1 Introduction SIPSession Initiation Protocol, Session Initiation Protocol), SAPSession Announcement Protocol, Session notification Protocol), SDPSession Description Protocol, Session Description Protocol) are three sessions) rela

Research on combined application of SIP sap and SDP protocol

Abstract sip, sap, and SDP are important protocols involved in NGN and 3tnet. Based on introduction and analysis of SIP, sap, and SDP protocols, this paper provides a multimedia conference application instance based on the combination of the three protocols. Key words: SIP sap SDP 1 Introduction Session Initiation Protocol

Introduction to the SIP protocol

I. SIP Concept Session Initiation Protocol (SIP) is an application-layer control Protocol used to establish, modify, and terminate multimedia sessions. sessions can be IP phones, multimedia distribution, and multimedia meetings. It is the core protocol of the IETF multimedia

SIP for the standard protocol of peer communication

For multi-user communications, there are also common protocols for standardized management, such as the previously mentioned SDP and SIP (Session initiation Protocol), which is a control protocol belonging to the application layer, primarily used to create, modify, and abort sessions between one or more participants ( Sessions). The types of sessions include IP t

Asterisk SIP protocol stack register Function Analysis

This article is from csdn lidp and reposted the famous source. Thank you. For information and technology trends in the VoIP industry, see www.voip123.cn. For the registration function, Asterisk SIP protocol stack provides two services, 1. Asterisk is used as the SIP client and registered with other sip servers.2. Aster

SIP protocol Parameters

1.1 SIP Message Classification SIP protocol is formed in the form of layer protocol, that is, its behavior is described in a set of relatively independent processing stages, the relationship between each phase is not very close. The SIP

Chinese translation of the initial sip Session Protocol (2) [5-6]

agent to process the transaction. UAS core: the Core of the user proxy server. A collection of processing functions required by UAS, located on the transport layer. User Agent (UA): User Agent. A logical entity provides both the user agent client function and the user agent server function. Like proxy and redirection server, UAC and UAS are defined based on serial transactions. For example, when the user agent sends an initial invite request, it acts as a UAC before initiating a call, and when

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