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Submitted by on Tuesday, 18 June 2013No Comment

More recently telephone networks and IP-network existed independently of each other and fulfill their specialized functions: circuit switched network provided phone and fax communication and network packet switching – the transmission of digital data. VoIP technology allows to combine both types of networks and IP-telephony, based on this technology, has incorporated their advantages.

Low cost of communication (especially for long distance and international telephone calls). Normal telephony based on the extensive network of cable stations, installation and operation of which is spent, hence the high prices and their dependence on distance. In addition, long remained monopolized the market of communication services, telephone operators have traditionally zavyschuyut prices. IP-telephony using data compression and bahatopotokovosti, the most effective use of communication channels that are “around” long distance and international telephone operators, which reduces the cost of calls via the Internet at times.

Easy to use. Using IP-telephony as easily as traditional telephone. From the caller does not need any special knowledge, it can make even a person never heard of the Internet and computers.

The quality and reliability, compared with earlier decisions of IP-telephony is growing steadily. Improved voice coding algorithms and recovery of lost packets allowed to reach this level when the parties perceive language almost as well as in conventional telephony. Minor, within 150-250 ms, the delay may affect the pace of the conversation, but do not impair the quality of language.

Extending corporate networks – of regional branches in a single information structure with zahalnokorporatyvnoyi telephone and computer networks. IP-telephony is ideal for creating a virtual private network (VPN) company. This Intranet provides the most efficient branch management and data sharing in solving business problems, and a combination of telephone traffic, data transmission and Internet access reduces the number of leased channels.

Global roaming services, built on the technology VoIP, differs much more flexibility than traditional solutions and cost-effective procedure that is very attractive to mobile operators.