VoIP i.e. Voice over Internet Protocol is known as IP telephony. It is the combination of a group of technologies and methods for the transmission of voice communications and multimedia files through the IP network, such as the internet. IP telephony uses VoIP systems rather than traditional Public Switched Telephone Network for transferring the communication services like voice, SMS, fax, voice-message. These methods are required for generating VoIP telephone calls and are more or less similar to the traditional digital phone calls, digitization of analog signals and channel setup.

How does a VoIP system work?

Digitals phone calls or information are generated as a form of IP packets and the transmission occurs over the packet-switched network instead of a circuit-switched network. For the transmission of the multimedia sessions, special media transmitting protocol is used that encode the audio and the video streams.  As VoIP systems are working with different internet technologies, it has the advantage of being used in multiple numbers of internet-supported devices. So, VoIP systems can be used in a desktop, mobile phones, various MAC machines. By using VoIP calling systems you can able to make calls across the local area network (LAN) and wide area network (WAN). The main technology of the VoIP network is that it converts the analog voice signals to the digital packet which ultimately send to the end destination by the internet protocol (IP).

Local area network (LAN) works as the backbone of the VoIP systems. IP telephony is used by the VoIP systems to control the voice calls and handle your connections to the wide area network (WAN). You can connect VoIP calling systems with VoIP and well as directly to PSTN to get both VoIP and PSTN calling service.

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Benefits of VoIP Systems

For any range of business, optimization of the budget is a prime factor. VoIP calling system can be the best for this purpose. VoIP systems are less expensive than traditional calling systems irrespective of local and international calling. By choosing cloud-based VoIP systems, you can able to save more money on hardware and there are many VoIP systems available in the market, which provide flexible monthly bill giving packages. Some benefits of cheap VoIP service systems are mobility, better call screening and routing, better internationals phone calls, flexibility, better connectivity.

Corporate use of VoIP system

Nowadays many businesses are converting their calling systems from traditional copper-wire to VoIP systems, because of the low-cost expenses that the VoIP calling system provides. Most of the private branch exchange (PBX) lines switched to VoIP systems in 2008. In the United States, the social security administration has 63,000 employees, is changing their traditional calling systems to VoIP calling infrastructure over the existing internet network. As VoIP uses a single network for both voice and data communication, the infrastructure cost has been reduced. The extensions of  VoIP are less expensive than the PBX system. VoIP can be used in commodity hardware as a desktop. VoIP system setting is quite easy, so you can change the simple configuration in it. The best examples of a VoIP system includes Mightycall, Google Voice and Skype. It provides free of charge connections between any users and allows making calls, sending messages and multimedia files by internet protocol.