VoIP: Communication Reimagined

VoIP, or Voice over Internet Protocol, is the protocol that has substantially altered not just online activities but communications technology as a whole.

VoIP transcends the limits of traditional phone lines and lets users carry out communication sessions over the Internet Protocol (IP) networks, such as the Internet or any local intranet network your company may be running. This technology has made communication more accessible and introduced a plethora of features that were previously unimaginable in telephony.

This article takes a closer look at VoIP and how it can benefit the business world in particular.

The Science Behind VoIP

So what exactly is Voice over Internet Protocol, technically speaking, and how does it work? Here is an overview.

How Does It Work?

VoIP works by converting voice signals into digital data packets. These packets are then transmitted over the network and turn back into sound at the receiving end.

For this to work, it involves signaling, channel setup, digitization of analog voice signals, and encoding.

When you make a VoIP call, the system signals the recipient to create a communication channel. It’s similar to the ringing you hear when you dial a number on a regular phone. The voice from your microphone (analog data) gets digitized (turned into 1s and 0s) and is then encoded to compress and protect it so your recipient can receive it.

On the recipient’s side, your voice gets decoded and converted from digital data back into analog sound, which your recipient can then hear.

VoIP uses packet-switched networks instead of traditional telephony, which uses circuit-switched networks. This means that voice data travels in packets over IP networks with a fixed maximum capacity.


Voice over IP cannot function off of raw packet-stored data alone. Instead, VoIP employs various codecs in optimizing the media stream based on application and device requirements and network bandwidth.

Codecs are pieces of software that “interpret” data and present it to the user in the correct format. These codecs can range from those that support high-fidelity stereo to those that rely on narrowband and compressed speech. What that means for the user is that the voice can sound as clear or as compressed as the situation demands.

The choice of codec can significantly influence the quality and clarity of the call. But do keep in mind that there are situations where maximum clarity and quality aren’t the most desirable, as sometimes, they come at the expense of speed or range.

Benefits of Voice over IP

So now that you know what Voice Over Internet Protocol is, you may be wondering what benefits it offers over ordinary phone lines. And if you run a business, the question may extend to what it can do for your business.


One of the most significant advantages of VoIP is the potential for cost savings, especially if you run a business, but it likewise applies to individuals. Traditional phone systems often come with hefty long-distance charges, especially for international calls. Whether those charges are justified considering the necessary infrastructure may be a matter of debate, but with Voice over IP, this issue is essentially eliminated. With VoIP, users can make calls using their existing broadband connection, often at a fraction of the cost.

Flexibility and Scalability

VoIP systems are inherently flexible. They can easily be scaled up or down based on a business’s needs and financial and infrastructural situation.

Moreover, VoIP integrates smoothly with other communication tools. This way, your business can unify its communication with little to no issues. With all communication under one banner, you can seamlessly switch from voice calls to video calls, messaging, and more, all within a single interface.

Advanced Features

Modern VoIP systems go beyond just being a replacement for traditional telephony and come with features that go beyond voice calls. Some of these features include video conferencing, instant messaging, voicemail, and even faxing.

Such features can significantly boost business communication and collaboration, not only within one business but between different businesses, too. Video conferencing means that you can carry out meetings without all your colleagues being in the same room or even the same country; it’s much easier to close business deals with people from all over the world.

Businesses can also benefit from IVR (Interactive Voice Response) systems. This feature allows for automated call routing based on the caller’s input so the calls can go to the appropriate department or individual.

Voice over IP also adds much easier call analytics into the mix. For businesses (and government and non-governmental organizations), data is gold. Advanced VoIP systems can provide detailed call analytics. This data gives insights into call duration, peak call times, missed calls, and more. Such information is useful for call centers, customer support, or market and demographic analysis.

Challenges and Considerations

While VoIP can give individuals and companies many benefits, just as with every other technology, it isn’t perfect. Network congestion can lead to packet loss, latency, and jitter. All these hiccups can lower the quality of the call or cause it to drop.

For Voice over IP to operate at its best, you want to have a stable and consistently high-speed connection.

Furthermore, it’s worth keeping security considerations like encryption and access control in mind. No one wants undesirable third parties intercepting or listening in on their calls. This is especially true for business or governmental organizations where confidentiality is particularly valuable.

This is where a reliable VoIP provider helps. A dedicated phone systems service provider can help you replace your phone with a secure system that can even be hosted on remote servers to lower infrastructure demands.

Your Voice Digitized

VoIP has undeniably reshaped communication, business or otherwise. Its cost-efficiency, flexibility, and array of features make it attractive for both individuals and businesses that have made a lot of calls often. And as technology improves, VoIP stands to gain from faster connections, improved codecs, and more advanced features.

If you’re in Bloomington, Minneapolis, or St. Paul and considering making the switch to VoIP, DTS could be there for you to assist. Explore the range of services on the DTS website or dive deeper into the tech world on our blog. Once you’re ready to make a change, you can reach out to DTS on this contact page.