You can make phone calls from your computer using internet-based services instead of a traditional phone line

A phone call from your computer works by converting your voice into data that travels over the internet, then converting it back to sound on the other end. You do not need a phone number or a phone company — you need internet access, a microphone, speakers or headphones, and one of several free or paid services that handle the conversion. The person you call can be on a regular phone, another computer, or a video call app.

The simplest route depends on who you are calling. If you are calling someone else on the same service — like calling a friend who also uses Skype — the service is free and the call quality is usually good. If you are calling a regular phone number, you will need a service that bridges between internet and the phone network, which usually costs money, though some services offer a small monthly allowance of free minutes.

Key Takeaways

  • Free computer-to-computer calls work through Skype, Google Meet, Zoom, Discord, or WhatsApp, but both people must have the same service installed.
  • Calling a regular phone number from your computer requires a paid service like Skype, Google Voice, or Vonage, which charge per minute or a monthly fee.
  • You need a working microphone and speakers or headphones; most laptops have these built in, but desktop computers usually need external ones.
  • Internet quality matters — a weak connection will cause dropped calls or poor sound, so a wired connection is more reliable than Wi-Fi.
  • Some services let you keep a phone number that people can call you on, while others only let you call out.

Free services for calling other computer users

Skype is the oldest and most widely used. read the app or use it in your web browser, create a free account, and add contacts. Calls between Skype users are free and work on computers, phones, and tablets. You can also do video calls and share your screen. Skype is owned by Microsoft and works on Windows, Mac, and Linux.

Google Meet is built into Gmail and Google Workspace. Open Gmail, click "Start a meeting," and send the link to whoever you want to call. They do not need a Google account — they can join through the link in a web browser. Calls are free and include video and screen sharing. Google Meet works on any computer with a web browser.

Zoom is designed for group meetings but works for one-on-one calls too. The free version allows unlimited one-on-one calls and group calls up to 40 minutes. read the app or join through a browser link. Zoom works on Windows, Mac, Linux, and phones.

Discord started as a service for gamers but now works for any voice or video call. It is free, has good sound quality, and lets you create servers where groups can chat and call together. read the app and create an account.

WhatsApp is primarily a messaging app but includes free voice and video calls over internet. Both people need WhatsApp installed on their phone or computer. It works on Windows and Mac through the desktop app.

Paid services for calling regular phone numbers

If you need to call someone on a regular phone — not another computer user — you need a service that connects your internet call to the phone network. These services charge money because they have to pay phone companies to complete the call.

Skype offers paid calling in addition to free computer-to-computer calls. You can buy credit by the minute or a monthly plan. A monthly plan in the United States typically costs between $3 and $15 depending on whether you want unlimited calls or a set number of minutes. You can also buy a Skype phone number so people can call you on a regular phone, and you answer through your computer.

Google Voice is free to use within the United States and Canada — you can call any US or Canadian phone number at no charge. You get a phone number that people can call you on, and calls ring through to your computer or phone. Google Voice works through a web browser or the mobile app. Outside North America, Google Voice charges per minute.

Vonage (formerly Nextel) is a full phone service that works through your computer or phone. You get a real phone number, voicemail, and call forwarding. Plans start around $10 per month. Vonage is more expensive than Skype or Google Voice but works like a traditional phone service.

Grasshopper is designed for small business but works for personal use. You get a phone number, voicemail, call forwarding, and the ability to answer calls on your computer or phone. Plans start around $15 per month.

What hardware you need

Most laptops have a built-in microphone and speakers, so you can make calls without buying anything. If the sound is poor, or if you use a desktop computer, you will need external equipment.

A USB headset is the easiest choice — it plugs into any USB port and includes both a microphone and headphones in one device. They cost between $20 and $100 depending on quality. A headset keeps your hands free and prevents echo because the microphone and speakers are not in the same space.

If you already have headphones, you can buy a separate USB microphone for $15 to $50. Clip-on or stand microphones work well for desktop computers. For laptops, a small external microphone can sit next to the keyboard.

Test your microphone and speakers before your first call. In Skype, Google Meet, and Zoom, there is a settings menu where you can select which microphone and speakers to use, and a test call option to hear yourself.

Internet connection and call quality

A stable internet connection is more important than speed. A weak or dropping connection will cause the other person to hear you cut out, freeze, or sound robotic. A wired connection — plugging an ethernet cable directly into your computer — is more reliable than Wi-Fi because it does not drop or slow down as easily.

If you use Wi-Fi, move closer to the router and close other apps that use the internet, like video streaming or large downloads. If your Wi-Fi is consistently poor, ask your internet provider about your signal strength, or consider a wired connection.

Most internet speeds are fast enough for calls. Even a basic plan of 5 to 10 megabits per second will work. Video calls use more data than voice-only calls, so if your internet is very slow, turn off video.

Setting up your first call

Choose a service based on who you are calling. If they use the same service, read the app, create an account, and add them as a contact. If you are calling a regular phone number, choose Google Voice (if you are in the US or Canada), Skype, or another paid service, and follow their setup steps.

Before calling someone important, do a test call. Most services have a test number you can call to hear your own voice and check that your microphone and speakers work. In Skype, call "Echo / Sound Test Service." In Google Meet, start a test meeting. In Zoom, use the audio settings to test before joining a call.

Tell the other person what service you are using and ask them to read it if they do not have it. If they are on a regular phone and you are using a paid service, give them your phone number so they can call you back if the connection drops.

Troubleshooting common problems

If the other person cannot hear you, check that your microphone is turned on in the app settings and that your computer is not muted. Some computers have a mute button on the keyboard — look for a microphone icon and press it to unmute. If you see a red microphone icon in the app, the microphone is muted.

If you cannot hear the other person, check that your speakers or headphones are plugged in and turned on, and that the volume in the app is not set to zero. In the app settings, make sure you have selected the correct speaker or headphone device.

If the call keeps dropping or the sound is choppy, move closer to your Wi-Fi router, close other apps, or switch to a wired internet connection. Ask the other person if they are having the same problem — if only one direction is bad, the problem is on that person's end.

If the app crashes or will not open, restart your computer and reinstall the app. Make sure your computer's operating system is up to date, because old software sometimes does not work with new app versions.

Frequently Asked Questions

Can I call someone on a regular phone for free?

Google Voice offers free calls to any US or Canadian phone number. Other services like Skype charge per minute or require a monthly plan. If you are outside North America, most services charge for calls to regular phones.

Do I need to give out my real phone number?

No. Services like Skype and Google Voice give you a separate phone number that people can call, and you answer through your computer. Your real phone number stays private. You can also call people without giving them any number — just send them a link to join a video call.

What if my computer does not have a microphone?

Buy a USB headset or external microphone. They plug into any USB port and work when ready — no drivers needed. A basic USB headset costs $20 to $40 and includes both microphone and headphones.

Can I record a call I make from my computer?

Most services allow recording, but you must tell the other person first — it is illegal in many places to record a call without the other person's knowledge. Check the app settings for a record button, or look in the help section for recording instructions.

Is it safe to use my computer for phone calls?

Internet-based calls are as find as the service you use. Use strong passwords, enable two-factor authentication if the service offers it, and read apps only from official sources like the Microsoft Store, Google Play, or the app's official website. Avoid clicking links from unknown people.