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The telephone battle

Source: Shangpin China | Type: website encyclopedia | Time: 2015-09-17

With the development of science and technology and the emergence of the network, many new things related to the network appear, such as: Website Design , Internet telephony, e-commerce, etc. The network has the greatest impact on telecommunications, and the first one is Internet telephony. Telephone is the branch of telecommunication industry. In the past, many countries implemented protective policies for telephone business to varying degrees. This monopoly in the telecommunications industry often places itself in a privileged position. The sudden emergence of Internet telephony has made the telecommunications industry stand the test of market competition.

The Controversy of Internet Phone

Internet telephone is transmitted to the nearest telephone company through copper telephone lines, where a computer converts voice into computer language and decomposes it into segments or packets. The compressed packet is input into the data network, transmitted to the destination phone company, and then restored to the end user. The efficiency of such transmission is many times higher than that of line transmission, so the price is much cheaper. In the case of private lines, Internet telephony (IP telephony) can provide the highest quality international calls, and the cost is only a fraction of the current telephone cost. Follow the same principles. Larger companies can connect various branches closely through their WAN, so that employees working in different locations can talk to each other as if they were making phone calls in the same office building. At the same time, some companies are also trying to target the telephone market with Internet phones. Recently, the rapid development of Internet telephony has undergone fatal changes. Many companies have successively developed ultra low price international telephones that can be used by ordinary telephones without computers, and the voice quality is equivalent to that of telephones, with no voice delay.

Although there are still some problems to be overcome in the current network phone, including technical and management problems, the attraction of interests. Many businesses have been eager to enter this field in order to seize a favorable position. Obviously, if we waited for all the problems to be solved, the market would have been preempted. Cisco has developed a new IP voice module for its serial connection routers. The price of the 600 series voice module for the enterprise market is about $1800, while the GS price of each end of the voice module is $625. The voice technology product manager of Cisco said that voice digitization could be realized technically many years ago, and the main cost burden was too high. In recent years, rapid progress has been made in terms of functions and performance, so an affordable approach can now be provided, and users can quickly gain investment returns. Cisco has publicly demonstrated the phased development plan of transmitting telephone and TV on the network, and has launched a series of new network telephone products. It is expected that new networks of telephone, television and data will begin to appear in 2000; By 2002, this kind of integrated junction will be completed, and the network phone is the most fierce competition. Telephone is a huge market of 150 billion dollars. Cisco acquired the original network phone development company. At present, Cisco has entered the second phase of its development strategy. The first stage is to introduce the network telephone module into a series of routers; The second stage products include new supporting parts of C3810 and CAT switches; The products in the third stage will belong to the gateway field of LAN/WAN; In the fourth stage, the integrated products of campus network and WAN will be launched; The fifth phase will also launch policy based end-to-end call management products.

Cisco has produced an Internet phone with a list price of $499. This plastic box, which looks like a small kitchen appliance, integrates the functions of telephone, e-mail and network access. It is a wonderful idea. The size of the Internet phone is 9x12 inches, which is only slightly larger than most desktop phones. Its display screen has three functions: touch screen, email window and web browser interface. The resolution of the display screen is 640 x 480 pixels, and the display information is clear and easy to read. Users can operate the display screen with their fingers or an additional input pen, or scroll the screen with the help of a group of small arrows next to the phone keys. The keyboard hidden below the front of the phone receiver can be used to input letters. People can set it without any technical knowledge: just plug in the power cord and telephone line, and then input the number of the credit card. Users do not need to choose an ISP because it has been designated as the Central Company. Users have to choose how to pay: one payment method is the all inclusive method, paying $19.95 per month; The other is to pay $9.95, and enjoy 10 hours of network service every month. The network phone automatically checks e-mail twice a day. The homepage of the internet phone displays local information according to the user's zip code. As long as they are willing to pay, users can easily choose various telephone services provided by Internet phones.
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