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Document directory Offer-answer In Part 1 of our sip primer, I covered the SIP Foundation layers starting from the message structure and ending with the SIP transactions. we saw how phone registrations and proxies cocould work using these layers. this second part completes the discussion by covering the way sip de
This digest from: http://blog.chinaunix.net/uid-20655530-id-1589483.htmlThe quickest way to learn the SIP protocol is to learn by example,Found a complete call flow, let's go!INVITEThe calling party Tesla First initiates the INVITE message to the called party Marconi. The INVITE message contains the session type and the parameters necessary for some calls. The session type may be simple speech, or it may be a multimedia video used by a web conferenci
I created a freeswitch kernel research and exchange group,45211986. welcome to join us. In addition, we accept the SIP-based communication server and client solutions. Freeswitch supports cross-platform, and the underlying library uses Apache Portable Runtime lib (APR). The author has been familiar with Apache in his previous work.In swith_apr.c, all the tool library interface functions provided by APR are referenced by freeswitch for the purpose
In many popular network technologies, we can see the content of the SIP protocol. So many people will doubt what the SIP protocol is? Let's take a look at it. SIPSession Initiation Protocol) is an application layer control Protocol defined by IETF Based on IP. because SIP is a plain text-based signaling protocol, it can manage meetings on different access network
SIP Response Codes SIP/2.0 allows six values for the "the" I digit: From the SIP RFC: The response codes are consistent with, and extend, http/1.1 response. Not all http/1.1 responseCodes are appropriate, and only those that are appropriate are. Other http/1.1 response codesSHOULD is not used. Also, SIP defines a new c
Translated from:Http://developer.android.com/guide/topics/connectivity/sip.html Android provides APIs that support the Session Initiation Protocol (SIP. This allows you to add the SIP-based Internet phone function to your application.Program. Android contains a complete SIP protocol stack and integrates the call management service, so that applications can easi
This article, the original connection: http://blog.csdn.net/freewebsys/article/details/46546205, reprint please indicate the source!1, about FreeSWITCHFreeSWITCH is a soft-switching solution for telephony, including a softphone and soft switch to provide voice and chat product drivers. The FreeSWITCH can be used as a switch engine, PBX, multimedia gateway, and multimedia server.FreeSWITCH supports a variety of communication technology standards, including SI
variety of digital content and video services, thus increasing revenue. The WebLogic SIP server provides required call establishment and session management. However, carriers still need advanced media processing capabilities and standard interfaces that can interwork with BEA solutions, this allows carriers to provide scalable voice, video, and multimedia services. They also need a media gateway for cross-network connection. Cantata works with BEA Sy
RADVISION's SIP server platform is a framework for building all SIP servers and supporting fast and effective application software development for SIP servers, as RADVISION's SIP toolkit is in the leading position in the market, therefore, the platform implements the functions of the
I believe everyone is in touch with the SIP protocol. In the previous article, we also discussed the content of the SIP protocol. If you are not clear about it, you can review it a little. We know that the SIP protocol has a huge development potential in the network communication field. Here we will explain the content of the IMS and
SIP Message Type and Message format SIP is a text-based protocol that uses the UTF-8 character set. There are two main types of SIP messages: One is the request sent from the client to the server ); One is the response message sent from the server to the client ). A basic SIP message includes the starting line, one or
When talking about the SIP Protocol, many people first think of the VoIP service. So what else is there? Today we will introduce another embodiment of the SIP business-Erlang project called yxa official website http://www.stacken.kth.se/project/yxa/), can be said to be the Erlang on the SIP protocol stack and server implementation. In addition to the basic
SIP protocol Learning 1The SIP protocol is an application layer control protocol proposed by IETF for multimedia communication over an IP network. A hierarchical method is used to create a service. A control protocol on the application layer is used to create, modify, and terminate multimedia session processes with multiple participants. Members participating in a session can communicate through multicast,
The development example of this blog post must be based on the previous SIP servlet development environment configuration, and if the SIP servlet development environment is not properly configured, refer to the SIP servlet development environment Configuration chapter.First, we create a dynamic WEB Project project called "Siptest", based on the method mentioned i
We have already learned about the SIP protocol, which we will always see in the Unified Communication Platform and VOIP business. So here we will give you a brief discussion on the development of the SIP protocol and the SIP protocol stack. 1. About the SIP protocol Currently, there are three basic communication protoc
During our understanding of the SIP protocol stack, we found that the application of the SIP Protocol can be implemented on many platforms and devices. The following software is required for the establishment of the SIP Soft Phone development environment to develop a SIP-based soft phone on windows or linux platforms:
Project name Description Files Activity % SIPP SIPP is a performance testing tool for the SIP protocol. its main features are basic sipstone scenarios, TCP/UDP Transport, customizable (XML based) scenarios, dynamic adjustement of call-rate and a comprehensive set of real-time statistics. 84.69% Shtoom-a python sip framework phone A software
The pioneers in the converged communication field are currently sending the Session Initiation Protocol (SIP ). SIP has become the main protocol for VoIP and other real-time media communications on the packet network. There are several reasons for the popularity and success of SIP. First, SIP is regarded as a protocol
Http://www.christec.co.nz/blog/archives/42 Manage soft Input Panel (SIP) One final finishing touch to Windows Mobile applications is the proper handling of the software-based Input Panel (SIP), this can help differentiate your application, and thus your company as one which truely understands the Windows Mobile platform. The software-based Input Panel (also known as the popup or software keyboard) allows to
In asterisk, there are three types of peer: Peer, user, and friend.Let's take a look at the three types of VoIP-info. Peer: a sip entity to which asterisk sends CALS (a sip provider for example ). if you want a user (Extension) to have multiple phones, define an extension that CILS two sip peers. the peer authenticates at registration.User: a
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