Voice over IP (Internet Protocol) Basics

This article helps you to get to know Voice over IP (VoIP), a technology that transfers sound data over IP (Internet Protocol). If your businness (whether small or large) needs a powerful and modern way of communication, Voice over IP could be the best solution for your needs. If you are interested in this technology, this page and the video will give you further information.

VoIP is a technology that enables you to initiate phone calls to other computers or phones over the Internet. The Internet is used by IP for transmitting phone calls and codecs are used for converting analog voice signals into digital signals. The delivered signals are cut into small packets that adjust to the size of IP packets. The cut packets are put together and converted back when they arrive to their destination.

Voice over IP technology offers many advantages you can make use of:

voice over ip basics
Figure 1 - Voice over IP Basics

How Voice over IP Works

VoIP has real-time characteristics that means communication (voice data) is delivered without delay. VoIP phones need to have adapters to be able to connect to a network. If you want to receive a call, you need a phone number.

Voice over IP is based on the H.323 protocol. The H.323 protocol specifies the rules on transmission of video and voice data via IP. If you are interested in this protocol, visit our page: What Is H323?

Voice over IP Advantages

  • Enables Communication with More than one People

    • With the help of Voice over IP you are able to talk to more people at the same time only on one telephone line because VoIP can cope with the great number of incoming data and calls. Due to the capacity of VoIP, you are able to perform conference calling.

  • Flexibility

    • VoIP providers are accessible anywhere in the world if you have stable Internet connection.

  • Useful

    • VoIP consists of several useful functionalities:

    • Voicemail
    • Call waiting
    • Call forwarding
    • Anonymous call block

Voice over IP Offers

  • easy to use technology
  • more efficient productivity (if the workers in a company can call each other easily, without phone costs)
  • provides the possibility for connection to PSTN network

Equipment

If you want to make calls with the help of Voice over IP you need a broadband Internet connection. Furthermore, you need a computer, a VoIP phone or an oridnary phone. The person you are calling only needs a phone.

VoIP Providers

VoIP providers are essential to make and receive phone calls. These providers connect phone numbers to a phone system. VoIP providers can provide better sound quality than PSTN systems. The lack of coverage do not occur as problem in VoIP systems. You are able to connect to the VoiP system wherever you are if you have an Internet access. On the following page you can read about VoIP providers.

Corporate Use

VoIP is spreading among businesses because it provides a high quality service that has many functionalities you can exploit. Any kind of businesses can use VoIP whether they are small or large.

Ozeki Phone System supports Voice over IP technology. Ozeki Phone System is a VoIP PBX that is easy to manage and it can be a key element in your VoIP system. If you are looking for an advanced solution that makes your business more efficient, download and install the Ozeki Phone System software; it can provide you with a wide range of possibilities.

Read through the following pages for related articles:

If you became interested in this topic, please watch our video:

Voice over IP Basics (Video tutorial)

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