sip to isup

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Which message does the incoming call display come from? Is it a tup/ISUP message or a map message?

China Communication Network-Communication Resource Consulting Talent Training sharing»GSM GPRS edge»Q A Forum»Which message does incoming call display come from? Page:[1] Syf Which message does incoming call display come from?Is a tup/ISUP message or a map message?Please explain in detail ?? Lixing1

[Sip] Sip series standard navigation announcement board

Internet message bodies RFC 2046 Mime Part Two: media types RFC 2047 Mime Part Three: Message Header extensions for non-ASCII text RFC 2048 Mime Part Four: Registration Procedures RFC 2633 S/MIME Version 3 message specification RFC 3204 Mime media types for ISUP and qsig objects RFC 3420 Internet media type message/sipfrag RFC 3555 Mime Typ

C&C08 Switch No.7 signaling tup conversion ISUP scheme

Absrtact: This paper introduces the necessity of changing the tup of CC08 switch No.7 signaling in Tianjin local telephone network to IsUp, and the scheme and arrangement of the transformation. Keywords: local telephone network; No.7 signaling; Telephone user section; Integrated Business section 1 The necessity of changing the signaling and the problems that should be paid attention to At present, the No.7 of the local telephone network in Tianjin

"Go" SIP preliminary

1 , what is SIPSIP (Session Initiation Protocol) belongs to the IP Application layer protocol, which is used to provide the user with session application on the IP network. A session refers to the communication of voice, video, and other media forms between two or more users, possibly IP telephony, conferencing, instant messaging, and so on.SIP is a signaling protocol that corresponds to a call signaling protocol (such as SS7 ISUP) in a traditional te

SIP (Session Initiation Protocol) Conversation Initiation Protocol

: This field is optional: The non-registration request to be sent to the URI in the To field is forwarded to the location given by the contact field. If the contact field is not in the request, the registration remains unchanged. Expires: Indicates the deadline for registration. The-info INFO method is an extension of the SIP protocol, which is used to pass the session-related control information, such as ISUP

Comparison between BICC and SIP-NGN Protocol

BICC vs sip-Comparison of NGN Protocol -------------------------------------------------------------------------------- One notable feature of the Next Generation Network Based on Softswitch is the separation of Call Control and bearer control. In terms of call and control of communication, from the Standard Research of the International Telecommunication Union (ITU-T) and Internet Engineering Task Group (IETF), there are two protocols that deserve

SIP traversal NAT SIP Traversal Firewall

Firewallnat In fact, the essence of the light-mouth board is equivalent to NAT device. To achieve NAT penetration, there is no problem with the SIP processing of the optical orifice plate. Firewall is a passive network security defense technology, located at the boundary of the network, executing the access control policy between the two networks, preventing the external network from illegally accessing the internal information resources, or preventi

Analysis of SIP route and record_route/SIP routing mechanisms

Analysis of SIP route and record_route/SIP Routing Mechanism from: [url] Routing Analysis of SIP Routing Mechanism (zz)We have already introduced sip-related knowledge about important SIP header domains, registration processes, and session processes. Now we will introduce t

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 communication protocol analysis software for th

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 solve the problem: From the monitoring industr

Understanding sip-the most popular communication protocol today

Address: 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

SIP's most popular communication protocols are mature

Introduction Communication providers and their partners and users are increasingly eager for a new generation of IP-based services. Now we have the SIP Session Initiation Protocol. SIP was born less than a decade ago in the computer science laboratory. It is the first protocol suitable for multi-user sessions in various media content. Now it has become the specification of the Internet Engineering Task Gro

Learning notes-SIP message receiving and processing flow based on sipdroid SIP audio and video telephony

/success (actual Sipprovider callback), the Fail/sucess interface of the transactionclient is called Public classTransactionclientextendsTransaction {Transactionclientlistener transaction_listener; Publictransactionclient (Sipprovider sip_provider, Message req, Transactionclientlistener listener) {Super(Sip_provider); Request=NewMessage (req); Init (Listener, Request.gettransactionid ()); //This.transaction_listener = listener;} //The actual Sipprovider callback Public voidOnreceivedmessage (Si

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 on different media (such as text, multimedia,

Basic SIP application solution

Basic SIP Application As one of the main VOIP communication protocols, the SIP protocol is simple, flexible, and open, and is gradually dominant in the VOIP communication field. The main methods used for SIP Communication include SIP terminals, proxy/targeted servers, location servers, and PSTN gateways. Currently, th

[SIP Protocol] learning notes for beginners

Author: gnuhpcSource: 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 to mention ITU-T, we will first talk about t

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 can help organizations communicate more effectively, simplify business processes, and achi

Using SIP to encapsulate C + + as Python

SIP is a tool for generating C + + interface code for Python, similar to SWIG, but using a different interface format. The idea originated in Swig, primarily to create the QT package for Python, which was used to create PyQt and Pykde , and to support the QT Signal/slot system. This article mainly introduces the compilation and installation of SIP and the birth of C + + code into Python under the window pla

SIP protocol Detailed (Chinese)-2

In a conversation, there are other correlations that will be sent. A conversation is an end-to-end sip relationship between two users that lasts a certain amount of time. The dialog process requires that the information between the two user agents be ordered and that the request be routed properly. In this specification, only invite requests can be used to establish a session. When a UAC makes a request in a conversation, it follows not only the gener

SIP protocol (Chinese)-2

In the dialog, other related information will be sent. A conversation is an end-to-end sip relationship between two users that lasts for a certain period of time. The dialog process requires that the information between the two user proxies is ordered and the request is transmitted through the correct route. In this specification, only the invite request can be used to establish a session. When a UAC sends a request in a dialog, it not only follows th

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