How Does VoIP Work

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In a previous article, we discussed the advantages of VoIP or internet calling. We found that it is slowly becoming the norm amongst telecom carriers, owing to affordable infrastructure, mobility, and wide-ranging features.

Now, have you wondered how VoIP works and how businesses can also benefit from this system? How is it that technology is gradually transforming voice communication?

In this article, we will understand the mechanism behind Voice over Internet Protocol or VoIP and explain how you can benefit from it.

What is VoIP?

According to Wikipedia and numerous other sources, Voice over Internet Protocol is a technology that transmits voice communication over the internet. It refers to the provisioning of communications services (voice, fax, SMS, voice-messaging) over the public Internet, rather than via the public switched telephone network (PSTN).

VoIP converts voice into digital data or packets of data that are transmitted over the Internet. There are multiple ways to place calls using VoIP.

  • ATA–The Analog Telephone Adaptor or ATA lets you connect a standard phone to your computer or your Internet connection for use with VoIP. It is an analog-to-digital converter. By taking the analog signal from your traditional phone, it converts voice into digital data for transmission over the Internet
  • VoIP Phones -- They look just like normal phones with a handset, cradle, and buttons. IP phones connect directly to your router and have all the hardware and software necessary right onboard to handle the IP call. Wi-Fi phones allow subscribing callers to make VoIP calls from any Wi-Fi hotspot.
  • Computer-to-computer, or Phone-to-Phone -- This is an easy and affordable way to use VoIP. You can avoid paying for long-distance calls. Several companies are offering free or very low-cost software that you can use for this type of VoIP. All you need is the software/App, a microphone, speakers, a sound card and an Internet connection, preferably a fast one like you would get through a cable or DSL modem (

How Can VoIP Help You and Your Business?

By switching over to VoIP calls, you can save quite a lot of money. Business owners and Organizations can mainly benefit by adding voice to a data network. It frees them from having to install expensive phone lines and directly hooks them into the existing broadband network (source:

Individuals can benefit from two-way VoIP services that inter-converts regular GSMand Voice-over-IP (VoIP) calls. For example, using Kirusa’s proprietary voice technology, InstaVoice ReachMe enables you to get incoming calls and make outgoing calls over data or WiFi – using your number. It is an app that has the following functionalities:

Outgoing Calls. Without Cellular Network.

ReachMe enables you to make outgoing calls from the app over data or WiFi. These calls are converted from VoIP to regular GSM calls. The call recipient gets a regular call from your original number. Seamless GSM-VoIP interconnectivity – delivered over data.

Cloud-Powered Visual Voicemail

InstaVoice ReachMe manages your voicemail messages for you. You can listen, forward and delete your voicemail using the app.

Voicemail-to-Text Conversion

Think of all those times when you couldn’t listen to your voicemail message. Like during a meeting or at the movies.

InstaVoice ReachMe uses voicemail transcription to convert your voicemail messages to text messages – so you can read them on-the-go!

Get Calls Even When Unreachable

You can configure InstaVoiceReachMe to forward calls to the app when your phone is unreachable due to the poor network.

Buy Virtual Numbers from 4 Countries!

Now you can buy virtual numbers from US, UK, France, and Canada – directly from the ReachMe app. We call this feature ReachMe Numbers.

Therefore, ReachMe is a multi-purpose solution that supports diverse features and advantages of VoIP. It also serves as a brilliant companion for frequent travelers who can effortless make international calls without paying exorbitant prices.

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