WiFi Calling: Everything You Need to Know

  • Last Updated: 20 Feb 24
  • 8 min read
WiFi Calling

Are you 😫frustrated with missed calls, dropped calls, and poor-quality audio? Are you 😴tired of your cell phone’s lack of cellular coverage? If so, then WiFi Calling is the perfect solution for you.

Do you want to make an international call but using a cellular network is too expensive? No need to worry, then with WiFi Calling, you can dial internationally cost-effectively.

In this blog, we’ll explain everything you need to know about WiFi Calling including its definition, benefits, and working procedure.

🔑 Key Highlights

  • WiFi Calling is the best solution to common frustrations like missed calls and bad cellular coverage.
  • The Practical Tips for optimizing WiFi calling include ensuring a strong WiFi connection, disabling background apps, and using headsets for better audio quality.
  • We have listed a detailed comparison of the 5 best WiFi calling providers, including KrispCall, Google Voice, WhatsApp Business, Viber Business, and Zoom, with their features, pricing, pros, and cons.

What is WiFi Calling?

WiFi Calling means the phone call process that requires a WiFi Hotspot or Network instead of a Cellular Network for various reasons like long-distance and remote voice or video calls. It uses VoIP Protocol and can be a useful feature for Android and Mobile devices.

WiFi Calling is like a normal phone call but requires a reliable internet connection. You can utilize various features like three-way calling and speakerphone through it. When you enable it, the phone uses an internet connection to transfer calls, texts, and messages.

WiFi Calling not only supports voice and audio phone calls, but also has access to multimedia features like sending videos, and photos.

How to Set up WiFi Calling?

Setting up WiFi Calling is an easy procedure. Do you want to make WiFi calls from your smartphone, whether iPhone or Android, but don’t know how? Then, there is no need to worry. With a simple step-by-step process, You can set up and enable WiFi Calling instantly. 

How to Set up WiFi Calling on Android?

How to Set up Wifi Calling on Android

The steps to set up WiFi Calling on  Android are as follows:

  1. Search “Settings” and click on it.
  2. Select the “Network and Internet” button inside Settings.
  3. Now, Tap on the “WiFi Calling” or “Advanced Calling” button.
  4. Slide the “WiFi Calling” button or toggle to enable it.

How to Set up WiFi Calling on iPhone?

How to Set up WiFi Calling on iPhone

The steps to set up WiFi Calling on iPhone are as follows:

  1. Search “Settings” from the Home Screen
  2. Click on the “Mobile Data” or “Cellular” option inside Settings.
  3. Now, Tap on the “WiFi Calling” button
  4. Slide or Toggle the button to the right to enable it.

Tips for Optimizing WiFi Calling Experience

  • Strong and Stable WiFi Connection/High-Speed Internet: Before you use the WiFi Calling feature, make sure your internet or WiFi connection is strong and stable with good network signal strength and minimal network interference.
  • Disable Background Apps: Another main tip to optimize better WiFi Calling Experience is disabling the background applications while enabling the WiFi calling to avoid call drops and prevent video or audio lag. Also, freeing up the resources and bandwidth can help to give a faster and better call experience.
  • Use Headsets/ Headphones for Better Audio Quality: One of the major tips for optimizing the WiFi Calling Experience is to use headsets or headphones for better audio clarity and quality.
  • Keep Software Updated and Free from Bugs: The last to optimize the WiFi calling experience is to make sure to keep all up-to-date information and also 

WiFi Calling Vs Cellular Calling: What are the differences?

WiFi CallingCellular Calling
It can offer higher call quality compared to cellular calling, but is often vulnerable to internet congestion.The battery drains faster.
It can offer higher call quality compared to cellular calling but is often vulnerable to internet congestion.It can be affected by weaker cellular coverage.
It depends upon internet reliability.It is more reliable with stable coverage.
A Stable Internet Connection is required.Cellular Calling can work anywhere at any time, but it must require cellular network signals.
The international roaming fees depend upon the carrier and location you choose.The international roaming fees depend upon the carrier and location you choose.

5 Best WiFi Calling Providers in 2024

If you are searching for the best WiFi Calling providers, you have reached the right destination.

Best WiFi Calling Providers
ProvidersStart at Pricing/ monthFeatures
KrispCall$15Unified Callbox, Voicemail to Email, Shared Phone Number Call
Google Voice$10Call Screening, Call Recording, Call Forwarding
WhatsApp BusinessContact SalesAutomatic Greeting & Away Message, Group Chat and Share Multimedia Files
Viber BusinessFreeCall Logs, Voicemail
ZoomFreeCall Analytics, Video Conferencing

1. KrispCall

KrispCall is one of the best WiFi Calling Providers in 2024. With a good and reliable internet connection, you can make wifi calls internationally with virtual phone numbers at an affordable price. The cloud-based VoIP services of KrispCall offer various features like Unified Callbox, Global Calling, Call Forwarding, etc.

KrispCall as the Best WiFi Calling Provider

KrispCall’s better user-friendly interface with a 24/7 customer support system can uplift the user experience and help them choose the best option for the WiFi Calling feature.

⚡KrispCall’s Features

  • Unified Callbox
  • Voicemail to Email
  • Shared Phone Number
  • Call & Contact Tagging
  • Call Forwarding 
  • Call Transfer


  • HD Audio Quality
  • Global Reach
  • 24/7 Human support 

❎ Cons 

  • Doesn’t Support Mac OS and Windows App yet.
  • Connectivity to the Internet is required
PlanPricing (month/user)
EnterpriseContact Sales

2. Google Voice

Google Voice is another WiFi Calling provider in 2024. It is a VoIP service provider that offers various features and capabilities to make WiFi calls through the network. The users can place the calls connecting to the WiFi network either through the app or directly through the website.

Google Voice as a WiFi Calling Provider

Google Voice’s ability to make WiFi calls can come through the integration with Google Hangouts, allowing the users to make and receive calls directly within the Hangouts app or website.

⚡Google Voice Features

  • Voicemail Transcription
  • Call Screening
  • Call Recording
  • Call Forwarding
  • Voicemail Greetings


  • International Calling and Texting
  • Cross-Platform Compatibility
  • Number Porting


  • No Text Marketing Campaign
  • Lacks Third Party Integration Apps


PlanPricing (month/user)

3. WhatsApp Business

WhatsApp Business is a popular WiFi Calling provider that allows businesses to contact their customers and clients through WhatsApp. This app is mainly used by businesses to scale audience engagement, and drive better customer support outcomes.

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WhatsApp Business is just like a regular WhatsApp Messenger, but with some new and additional tools and features. It can be operated through both mobile and web apps. Users can add upto 4 additional devices to manage a business profile.

⚡WhatsApp Business Features

  • Automatic Greeting & Away Message
  • Group Chat and Share Multimedia Files
  • Interactive Business Message


  • 24/7 Chatbot Feature
  • Quick Replies
  • Broadcast Messages


  • Lacks Integration with CRM platforms
  • Unguaranteed Data Protection


Contact Sales

4. Viber Business

Viber Business is another widely used WiFi Calling provider. It is a VoIP service provider that allows businesses to send important messages and call their customers or clients. Businesses should register to make a Business Profile including their company’s name and information.

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Viber Business messages mainly include transactional, promotional, and conversational messages. It is an advanced version of normal Viber Messenger with more features and services.

⚡Viber Business Features

  • Chatbot Feature
  • Public Profile
  • Business Analytics


  • Cost Effectiveness
  • End-to-end encryption
  • Easy to Use


  • No Cloud Storage or Backup option
  • Limited Data Sharing Option


Contact Sales

5. Zoom

Zoom is the last WiFi Calling provider on this list. This VoIP service provider is mainly used for meetings, messaging, voice calls, and conferences.

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⚡Zoom Features

  • Virtual Meetings
  • Team Chat
  • Online Whiteboard


  • Call and Meeting Recording
  • Easy to Use
  • Screen Sharing


  • Technical Glitches
  • Mobile Application is less intuitive than Web Application


PlanPricing (month/user)
Basic Free
Business PlusContact Sales

Wrapping up… 

WiFi Calling can be one of the important features if you are a frequent caller and if you conduct virtual meetings almost every day with clients, colleagues, and customers.

We highly recommend KrispCall, a leading virtual cloud-based telephony solution for individuals and businesses when it comes to making wi fi calls.

We have already discussed how to enable wi-fi calls on Android and iPhone devices above. You just need to follow that procedure. Also, We have compared the 5 best WiFi Calling providers with their features, pricing, pros, and cons. 

You can also schedule or book KrispCall’s free demo to learn more about its features.


1. Can I register an address for my phone making WiFi calls?

Yes, you can register an address for your phone while making WiFi calls but you need to know that the address is specifically for emergency services like 911 and also the way to register the address depends upon the phone and mobile carrier.

2. Do all phones support WiFi Calling?

Not all phones might support WiFi calling because it requires specific software and hardware capabilities, and older phone models might lack these compatibilities. Also, some of the OS versions can be old which might lead to phones not supporting WiFi calling/

3. Which devices support WiFi Calling?

Mainly, iOS and Android devices support WiFi Calling.

Arun Chaudhary

Arun is SEO Analyst at KrispCall. He has written in extensively in the field of cloud telephony and call center solutions.

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