VoIP vs. landline: Pros, cons, and which is better
Learn the differences between VoIP and landlines, including the pros and cons of each. Determine whether VoIP or landlines would be better for your business.
Updated on March 13, 2026
Published on March 13, 2026
Ever wish you could skip the desk phone and simply call a phone from the computer instead? For busy teams and contact center leaders, that convenience can save time, cut costs, and streamline communication. The challenge is knowing where to start and how to set it up the right way.
In this post, we’ll walk you through exactly how to call a phone from a computer in five simple steps. You’ll learn what’s required, how Zoom makes it possible, and why placing a phone call from a computer can give your team the flexibility to connect faster and work smarter.
When you make a call from a computer, your voice doesn’t travel through landlines like a traditional desk phone or connect via cell towers like mobile phones. Instead, it uses Voice over Internet Protocol (VoIP) to move through the internet. With the right software, your computer acts like a phone, letting you place calls to mobile numbers, landlines, or even other VoIP-enabled computers.
Behind the scenes, tools like Zoom Phone connect your computer to the broader phone network through VoIP. That means you can dial and talk just as you would on a regular phone, but with the flexibility to do it almost anywhere you’re online with a compatible device.
All you need is a reliable internet connection, a microphone (or headset), and an online phone service like Zoom Phone. From there, it’s simple to start a phone call from a computer in just a few clicks.
Calling a phone from a computer is simple once you know where to start. First, purchase a Zoom Phone plan and download the app, then follow the steps below to set up and place your first call.


To start, launch the Zoom app on your computer. You’ll need to sign in to your account with a Zoom Phone license enabled. You can also access the same calling features from the Zoom mobile app, so you can start a call at your desk or on the go.

A stable internet connection is essential for a smooth call from the computer. Test your connection before placing a call to avoid disruptions or dropped audio.

Confirm that your microphone and speakers (or headset) are selected and working in Zoom. You can run an audio test in your settings to check input and output before starting the call.

In the Zoom app, go to the Phone tab. From there, you can type in the phone number directly or search your saved contacts to quickly connect.
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Once the number or contact is entered, simply click the phone icon. Zoom will immediately place the call, connecting you to your recipient.
Making calls from a computer can transform how call center phone systems operate. From faster onboarding to better customer experiences, here are the key benefits your team can gain:
Choosing the right VoIP provider for your team can make a big difference in efficiency and customer satisfaction. When evaluating platforms, focus on features that impact daily operations and long-term growth.
The ability to call a phone from a computer is now more accessible for contact centers. With Zoom Phone, your team can learn how to call someone on a computer and take advantage of features that are designed to improve customer experiences and team productivity.
If you’re looking to upgrade your calling setup, start with Zoom Phone. Request a demo to see how Zoom can help make phone calls from a computer faster, clearer, and more productive.