Solution:
Exchange 2007 sp1 server sets the exchange web services required by the host Outlook 2007 client and the OC 2007 client. One of them is called autodiscover service, which is run in IIS 2007 on the exchange 6.0 server as a virtual application. The Outlook 2007 and communicator 2007 clients connect to this autodiscover virtual application to discover available service URLs of Exchange 2007. This connection is connected through port 443 and req
For the application of the HART protocol, we will introduce the hand-held HART communicator. What are the characteristics of the application of this product? Let's introduce it to you. Through the picture, we can see the appearance of this product, then the model of this product is ESC-375H. It features: The HART375C handheld device is a handheld device that provides a public communication interface for All HART devices, it is mainly used in the indus
Release date:Updated on:
Affected Systems:Cisco IP Communicator 8.6Description:--------------------------------------------------------------------------------Bugtraq id: 54850Cve id: CVE-2012-2490
Cisco IP Communicator is a Windows PC-based telephone application.
The implementation of Cisco IP Communicator 8.6 has a security vulnerability that allows man-in-t
turn your back to help others. You will learn many things from your students.104, adhere to the principleCommunication should be a move forward, not a backward compromise. You must not go against your own values in your dealings with others.105. Don't try to balance your professional and private lifeYou should provide the same value to people of different customs. Instead of dividing life into two parts of work and life.106, to create a close friendshipHow many people can walk into your house a
Here are the notes from Keith ostergard's training on competent communicator manual on Feb. 24th, 2013. [I added comments from giant Zhuang, a seasoned toastmaster. Thanks, giant!]
Breath is life especially for a speaker. [Giant: Breathing is the fundamental basis for public speaking. So we 'd better share personal experience in how to breath correctly through different ways(E.g. workout, yoga, singing, KTV, etc.)]
[Giant: Transitions play a very
This page is maintained by Paul E. Jones.
Core sip documents
RFC 2543
SIP: Session Initiation Protocol (obsolete)
RFC 3261
SIP: Session Initiation Protocol
SDP Related Documents
RFC 2327
Session Description Protocol (SDP)
RFC 3264
An offer/Answer Model with
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 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
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
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
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
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
/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
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,
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 also using RTP as a media transmission protocol. Originally presented by the IETF Mmusic (multiparty multimedia session control) workgroup.
SIP
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 telephony network. Building a complete multimed
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
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 to mention ITU-T, we will first talk about t
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
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
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