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What is VOIP Calls – Functions, Types and More

VOIP Calls – Introduction

VoIP calls require two elements to work. The first step is to access the internet connection on the device you will use. And the second is to have an application that integrates technology to perform them. It also requires audio input and output, such as a microphone for speaking and a speaker for listening.

What is VOIP?

VoIP A stands for Voice over Internet Protocol, a method by which you can access the Internet. You can make voice calls at work. It is complete by taking the audio of what you are saying through the microphone and converting it into digital data—transferring it to another device on the network, where it is interpreted so that the sound can get again.

So it means it replaces traditional phone calls. With VoIP, you don’t rely on antenna or telephone cable signals, but you rely on the internet coverage you need to be able to transmit calls. There is a downside: The call will lose quality if there is poor coverage.

Functions of VOIP Calls

VoIP phones, also called IP or SIP phones, include features and capabilities not found in traditional analogue telephones. They also have additional requirements and functionality as phone calls are complete over the Internet instead of the PSTN public telephone network.

A VoIP phone has some features that make it unique, such as:

  • Colour ID
  • Call transfer
  • Waiting for a call

I am accessing a plan and setting up multiple accounts. Some VoIP phones allow the transmission of video and audio through calls.

Types of VOIP Calls

ATA: The easiest and most common way to use an ATA device (analogue telephone adapter).

– IP Phones: These are particular phones’ handsets, speakers for talking, and ordinary phones that look like buttons.

-SIP phones: VoIP or Softphones are phones that use VoIP technology to make calls over IP networks or traditional networks.

– Computer to computer: This is the easiest way to use VoIP. You don’t even have to pay for long-distance calls. Therefore many companies offer free or low-cost software that you can use for this type of VoIP.


How do VOIP Calls Work?

To use VoIP calls on your smartphone, we need four elements: a microphone to talk on the phone and a speaker to output the other person’s audio, both of which would be standard on any mobile. In addition, we must have an internet connection, which makes the call possible. And the fourth element is the application we will call. Should be installed this application on both phones.

Advantages of VOIP Calls

VoIP technology is faster, cheaper and easier to use than traditional calling technology. In addition to voice, other information, such as video, can be transmitted simultaneously at no extra cost. The result is that customers get better quality international and video calls, completely free or at the lowest prices, especially if you are with a quality provider.

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Disadvantages of VOIP Calls

VoIP phones require a reliable Internet connection and are subject to bandwidth restrictions. With insufficient bandwidth, phone calls can delay, leading to delays and termination.

In addition, if an organization has a power outage or internet outage, users cannot make calls from their VoIP phones. Emergency calls with VolP phones can be difficult because IP addresses do not provide the exact location of callers, making it difficult for 911 operators to deliver VolP phone calls to the appropriate emergency call center.


As you can see, VolP technology is an undeniable advantage for all companies. Significantly, you know how it works and what tools you can use to maximize its functions. So this system opens up new possibilities for communication that you should not miss, as the cost-benefit ratio is unmatched.

Also Read: SEO Strategy for Startups

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