China Telecom, China's largest fixed-line telephone operator, was announced last Sunday, Reuters (Beijing, September 12) reported, the VOIP network telephone services that provide voice transmission services over the Internet will be completely banned within the scope of their business areas.
VoIP is a new technology that transfers voice and video files over the Internet and provides communication and data
In the near future, VoIP will become the main way for most enterprises to communicate. For CIOs, you must first understand the five key points of VoIP in enterprise applications.
The comments of commercial technology practitioners on any emerging technology are divided into two parts. They will nod their heads and say, "Good, ......". IP-based Voice technology (VoIP
Currently, VoIP faces security issues of four main: blocking service (DoS) attacks, illegal access, charges fraud or eavesdropping threats. and VOIP protocol security is not negligible pain.
Information security experts will warn you that if you do not deploy VoIP properly, Internet telephony will be attacked by hackers and malicious code.
No matter whether enterprise users are ready or not, IPv6 network deployment is just around the corner. The demand for advanced site selection technology is growing, and everything in life will be able to use this technology.
At the same time, VoIP has become the mainstream technology and has become the basis of other network services. It is no longer the concept of "Next Generation" voice networks. So our worries also follow: What impact will these
Next we will introduce the VoIP protocol. We all know that VoIP is one of the most popular network businesses. The Application Basis of this Service is also a VoIP protocol. We will introduce this protocol in detail.
VoIP protocol
Currently, VoIP protocols are commonly used,
Voice communication over the Internet is a very complex system engineering and has a wide range of applications. Therefore, many technologies are involved. The most fundamental technology is the VoIP (Voice over IP) technology, it can be said that Internet voice communication is the most typical and promising application area of VoIP technology. This article describes the basic transmission process of VOIP.
grouping network. It also provides users with both voice, data, and multimedia services through a converged network. At the 2006 China Information Industry Economy Annual Meeting, Zhao huiling, Vice President of China Telecom Group's Beijing Research Institute, pointed out: "to achieve integrated services to provide platforms, integrated business management platforms, and portal to differentiate customer groups, this is our long-term goal. Then, we stop Circuit Switching in the entire exchange
The VoIP network protocol is the support for VoIP services. In network communication, the use of this Protocol forms this business, and it is challenging the traditional communication market and traditional communication methods to the maximum extent. Let's take a look at this powerful VoIP.
VoIP network protocol
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Overview explanation
VoIP is the abbreviation for voice over Internet protocol, meaning to transmit voice over the Internet (Internet). VoIP technology is also often referred to as network telephony, IP telephony, or Internet telephony technology.
VoIP's most basic function is to provide internet-based, low-cost voice and fax services. It can also extend further to ip-based voice services.
Application VoIP service quality (QoS) has four key steps. If you do not follow these four steps, your VoIP implementation will not realize its full potential. In addition to enabling the vro function, QoS has many things to do. Therefore, it takes some time for you to plan and design the correct QoS for your speech environment. The following are the four key steps:
Step 1: classify your voice communication
For now, the cost of long-distance calls is still very high. In the VoIP service, the most attractive is its low cost. Next we will introduce the VoIP protocol. We hope you can understand it.
VoIP protocol
Currently, VoIP protocols are commonly used, such as H.323, SIP, MEGACO, and MGCP 。
H.323 is a ITU-T standard orig
VoIP is a transmission technology that uses a router-Based IP group switching network to implement voice communication. The biggest advantage of VoIP technology is that IP Phones only require 8 kbit/s to use advanced voice encoding technology ~ The bandwidth of 12 kbit/s can be transmitted much less than the 64 kbit/s of the traditional circuit switching network. Wireless
VoIP bookmarks from Klaus darilion
Below you will find descriptions and links to sip and RTP stacks, applications, test utilities, SIP proxies, SIP pbxs and stun server and clients. most of them are open source :-), but not all of them
If you have any comments please feel free to contact me: --> Klaus. darilion at pernau. at
There are also other VoIP related portals and link collections.
Note: I mainly sea
Readers who have a long memory and a history of online trading may also vaguely recall that the creator of the famous PGP (Pretty Good Privacy) software, security expert Phil Zimmermann, launched a "Pgpfone" in 1996. of Internet telephony products. About three years later, broadband networks really started to grow. This is the early stage of the network telephony development cycle. Pgpfone a little too far ahead, not to arouse people's attention. But the world must be careful! Security expert Ph
With the development of China's routing industry, we have also promoted the update and upgrade of the VoIP router technology. Here we mainly introduce how to do a good job in the security vulnerabilities of the VoIP router technology. As the bandwidth of the Data Network continues to expand, it is possible to reach the desktop by Mbit/s or even Gbit/s. The increase in bandwidth also provides powerful precon
VOIP, also known as IP phone or IP phone, is the abbreviation of Voice Over IP. This technology is used to encode, digitize, compress, and compress Voice signals into Compressed Frames, then, the IP packet is converted to the IP packet for transmission over the IP network, thus achieving the purpose of voice communication over the IP network. The IP Phone greatly improves the utilization of network bandwidth and reduces the communication cost. its wid
VoIP has become a major topic in the era of integration. How to better utilize the functions of VoIP in the aspect of open-source and throttling, and reduce the communication costs of enterprises and individuals has also become a common concern in the industry.
At the beginning, as a technology used in Internet applications, VoIP was widely loved by Internet user
As VoIP continues to replace analog phones in the enterprise voice communication market, this technology is also rapidly adopted in residential environments and Small and Medium-Sized Enterprises (SMBs. The advantages of VoIP, such as multiple lines, the use of cheap digital media voice communication systems, and significantly reduce the communication rate, not only for large enterprises, but also for small
In traditional speech, we all communicate in Wired form. The first time was a analog signal, followed by a digital signal. Now, our voice communication methods can be implemented through network IP addresses. This leads to today's topic-VoIP and VoWLAN.
VoWLAN Overview
VoWLAN is one of the emerging applications of WLAN. VoIP transmits voice signals through a data network; WLAN), and uses wireless access poi
QoS can give priority to voice communication services under limited network resources. However, if too many voice communications occur, the network may be congested. How can this problem be solved?Call Control for enterprise VoIP networksWhen we configure the QoS function that supports voice on an enterprise's IP network router and switch, this IP network is ready to carry the voice application. However, in order to achieve the call, we also need to e
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