The VoIP-a reference guide to all things VoIP
This wiki covers everything related to VoIP, software, hardware, service providers, reviews, deployments, standards, Tips tricks and everything else related to voice over IP networks, IP telephony and Internet telephony.''Welcome to voip-info.org! Please e let me know at s
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Research: peer-to-peer Internet telephony using SIP PDF
Iconv application module for character conversion.
Version 0.9.2 of ldapget application module released. bugfix.
Over 5 million VoIP subscribers worldwide-dmeurope story
Interviews with BKW, twisted and David Mandelstam
Interview with drumkilla, the manager of the stable branc
Every organization that is considering deploying a VoIP Phone System has heard the same terrible warning: "routing voice calls over the data network will expose the call content to eavesdroppers ".Although in fact, any phone call is at risk of being eavesdropped to some extent, is the VoIP call system itself at a high risk? In this article, we will explore the ins and outs of
[RK_2014_0919] Linux Kernel Hacking, hackingKernelBuild
Guide to building the Linux kernel.Where do I find the kernel?
The latest source code for the Linux kernel is kept on kernel.org. you can either download the full source code as a tar ball (not recommended and will take forever to download), or you can check out the code from the read-only git repositories.What tools do I need?
To build the Linux kernel from source, you need several tools: git, m
Too many VoIP service providers want to sell you their "full solution", from the phone number on your desk, from different sites to the WAN and public exchange Telephone Network (PSTN).
However, as I have seen, Unless users and suppliers have full experience and thoroughly checked every detail, the so-called "full set of VoIP systems" will certainly make some mistakes.
Enterprises that have trouble with
In the current network communication, the Email service is no longer the preferred communication method. More instant messaging and voice services are emerging on the network. Now let's talk about the technical principles of VoIP for IP phones.Basic transmission process
The traditional VoIP telephone network transmits voice in a circuit exchange mode. The required transmission bandwidth is 64 kbit/s. The so
How can I test the VoIP function with an existing PBX or key-press system?
There are multiple ways to use the existing PBX system or key-press system to test the VoIP function. How to test the function depends on your purpose.
If there are two sites connected with PBX connection lines, but you want to use VoIP so that you can send calls between internal network
choice. It places the voice service and other servers in a separate domain and restricts access to it.
9. Minimize the use of softphone
VoIP soft terminal phones are vulnerable to computer hacking, even after the company's firewall, because they are used together with common PCs, VoIP software, and a pair of headphones. Moreover, soft terminal phones do not sepa
of analog phones. Just as we have received multiple phone numbers on a common analog phone line, there will be a problem of phone hacking. Although the IP phone cannot be called in parallel, the user can also obtain the phone permission by stealing the login password of the user's IP Phone. Generally, when an IP Phone is logged on to the system for the first time, it is prompted to enter the extension number and password of each person. Many enterpri
ports, such as 1719, 1720, and 5060. There are also some ports that the product itself needs to be used for remote management or private information transmission. In short, there are more ports than a common simple data application. As long as the attacker's PC and these application ports are in the same network segment, more detailed information can be obtained through simple scanning tools such as X-Way shared software.
A recent Security vulnerability was reported by NISCC (UK National Infras
ports, such as 1719, 1720, and 5060. There are also some ports that the product itself needs to be used for remote management or private information transmission. In short, there are more ports than a common simple data application. As long as the attacker's PC and these application ports are in the same network segment, more detailed information can be obtained through simple scanning tools such as X-Way shared software.
A recent Security vulnerability was reported by NISCC (UK National Infras
Recently, various attacks against VoIP voice gateway devices have frequently occurred, causing many troubles and economic losses to customers. In order to further prevent the VOIP Voice Gateway from being compromised by a network attack or attack, the network technology provides several preventive measures for the security of the voice gateway device, ask the customer to take measures to prevent the securit
VoIP is a blockbuster in the communication market. Why? Because the price of VoIP is very low, it is very convenient to use, because this network-based technology is very expensive and has many advantages. Do you want to know more about VoIP phones? Go to the following link.
Since its first launch in 1995, VoIP has bec
VoIP has many security risks and faces many security threats, but this does not mean that the security of VoIP is irretrievable. In fact, with the frequent occurrence of security events, many VoIP manufacturers are also accumulating experience in practice and using some measures to guarantee the security of VoIP to a g
1995 Israel VocalTec Company launched the Internet phone, not only is the beginning of VoIP network telephony, also opened the telecommunications IP prologue. People will not only be able to enjoy the cheaper and even completely free call and multimedia value-added services, the service content and the face of the telecommunications industry has also changed drastically.
The beginning of the network phone is in the form of software, and only limited
With the decrease in the cost of using VoIP, family and individual users are receiving more and more requests for using Vonage (or other similar products). As VoIP Communication continues to grow in the area of home calls, in addition, open source code projects are becoming more and more powerful. Based on this background and environment, Asterisk is a new product that can replace traditional PBX and is sui
So far, we have not seen large-scale attack events in the already used VoIP system, but this does not prove that VoIP itself is very safe, the reason is that the current scale of the VoIP system is not large enough and has not attracted the widespread attention of hackers. we can imagine that once the explosive growth of VoIP
VoIP is the future direction, but it is not always better. At the VoIP Summit held by the Association of higher education and communication experts (ACUTA) recently, the participating expert groups agreed that saving money is no longer the purpose of deploying VoIP in colleges and universities, the new demand is to explore integrated communication and recognize t
It runs as follows: Gullible users receive an e-mail (or a phone call), are told that his credit card information is being stolen, and then let him quickly dial a phone number. This phone will have computer-made voice prompts, let him enter credit card number and other authentication information and so on.
Security Policy for VoIP
Have you ever heard of the latest VoIP fishing trick-vishing's notoriety?
What is Question:pushkit?Answer:ios8 Apple introduced a new framework called Pushkit and a new push notification type, called VoIP push. The push method is designed to provide the ability to differentiate from normal APNs push. This push allows the app to execute the code (before it pops up to the user), and the default behavior of the notification differs from the APNS notification, which does not pop up notifications in its default behavior. At pres
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