uma voip

VoIP Overview: VoIP (Voice over Internet Protocol) is a communication device that uses an IP network to transmit Voice and save user calls. It is mainly suitable for enterprises and group users with branches, it can save enterprises a lot of international, domestic and suburban long-distance calls. VoIP can digitize the voice over the Internet, compress the voice

We should all know about VoIP. This low-cost network communication method has always been favored by everyone. As a support for this service, the security of the VoIP protocol is extremely worrying. At present, there are four major security issues facing VoIP: DoS attacks, illegal access, fraudulent calls, eavesdropping, and other threats. However,

In general, traditional fixed network operators regard the VoIP service brought about by NGN as a flood, because VoIP blurs the cost standard of local and international long-distance speech, long-distance calls are the main profit sources of traditional operators. The nature of the Internet makes data or voice transmission over the Internet free of payment. In fact, the Internet is still a physical network,

Some people think that IP phones are just another application running on the data network. However, imagine this situation: the quality of VoIP calls is getting worse and worse, and even the entire enterprise IP phone system stops running. Terrible? Pay attention to VoIP and add specialized VoIP tools for your network management platform. Recently, Network World

1 IntroductionIn recent years, with the wide application of the IP network technology, more and more researchers are paying attention to the service quality issues that the IP network can provide, scientific and reliable measurement and evaluation of service quality is a critical issue in Network Measurement and network planning and design. As a pioneer in the Next Generation aggregation Service Network Based on packet transmission, VoIP will provide

The combination of communication services and IP networks, especially the Internet, is a natural process that continues to develop along with the generation of e-Mail and instant messages. VoIP-transmitting voice over packet-switched IP networks-is one of the most important trends in the telecom field. The rapid development of VoIP networks has two important factors: the transformation from traditional tele

VoIP refers to voice transmission over a network that uses the Internet Protocol. The IP address represents the Internet Protocol and is the hub of the Internet, internet protocols can transmit emails, instant messages, and webpages to thousands of PCs or mobile phones. Some people say it is the killer of telecommunications, and some say it is a revolutionary factor in international affairs. In a word, it is widely praised. However, when you use this

For VoIP technology, there are many love, there are many hate. The following is a collection of six "difficult questions" about VoIP applications and reports in the past few years, as well as six reasons not to use VoIP. None of these questions will allow you to eliminate this technology from business considerations. However, all of these problems you have to con

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