[2025] Best 7 Tools to Make Free Computer to Telephone Calls
Want to connect with your family and friends directly from the comfort of your computer? Luckily, it's easier than ever to make and receive mobile calls from a computer without incurring traditional call charges – all thanks to VoIP technology.
Here are the top 6 apps that anyone can use to make both local and international calls from a computer in 2025.
PopTox: A simple and friendly online service for quick calling to both landline and phone numbers.
Globfone: This online service supports international calls at a low cost. Just like PopTox, it doesn't need any installation or registration.
Google Voice: It is part of the Google ecosystem that allows free PC to phone calling to the US and Canada, as well as to other countries at a reasonable price.
Skype: A highly popular VoIP service for VoIP communication with both Skype users and traditional phone numbers.
AirDroid Personal: Offers a convenient way to make calls from your computer without touching the phone.
AirDroid Remote Support: Provide real-time assistance to users through voice calling, text messaging, and screen mirroring.
Part 1: Understanding the VoIP Technology for PC to Phone Calls
VoIP, or Voice over Internet Protocol, is a technology that allows users to make voice and video using an internet connection instead of a traditional phone line. It can be used on a variety of digital devices including computers, tablets, and smartphones.
As VoIP utilizes the internet, so having a stable broadband connection is necessary for a consistent calling experience from PC to mobile. Both individuals and businesses rely on VoIP as a cost-effective solution for making local and international calls.
More importantly, the VoIP apps often include additional features that are not available for the traditional phone lines.
Part 2: Overview of Best Apps to Make Computer-to-Telephone Calls Free
Tool 1: PopTox
PopTox is a web-based tool that allows users to make free calls to both mobile and landline numbers from their desktop browsers. It guarantees convenience, high audio quality, and user-friendliness.
Key Features
- Bowser-based app, so it doesn't require any installation
- Free phone calling from computer to almost 50 countries
- Works on both Wi-Fi and mobile data
- Comes with a caller ID spoofing function
Limitations
- Free service has a limitation on the call duration (usually 5-10 minutes)
- The call quality is not consistent
Step-by-Step Guide
To use this tool:
- 1. Head to the PopTox website.
- 2. Use the dropdown menu to select the country you want to call
- 3. Enter the recipient's phone number and hit "Call."
- 4. Grant the microphone access when prompted.
User Experience
Using PopTox is very easy even for a first-time user. The call quality, dependent on the consistent internet supply, is generally acceptable. However, users complain of plenty of ads in the free version.
Tool 2: Globfone
It is another popular online computer to phone calling service that comes with file sharing capabilities. Globfone supports free international voice and video calling to numerous countries without any hassle.
Key Features
- Offers free peer-to-peer voice/video calling and text messaging
- Works seamlessly on both mobile and desktop browsers
- International calls and messaging through VoIP
- File sharing
Limitations
- Lots of ads
- Limited free call duration
Step-by-Step Guide
- 1. Go to Globfone on your browser and click "Call Phone" on the top bar.
- 2. Now, enter the recipient's country and phone number.
- 3. Click "Call" and allow the microphone access when prompted.
User Experience
This tool boasts a friendly interface, focusing on user convenience and reasonable call quality. Its simplicity makes it one of the best free internet calling services for users of all technical levels.
Tool 3: Google Voice
Google Voice is a versatile service that offers a low-cost solution for calling a phone from a computer. It allows free calls to the US and Canada numbers, as well as international calls at a reasonable cost.
Key Features
- Call forwarding and voicemail transcription
- Integration with Google Workplace
- Apps for both desktop and smartphone devices
- Free calling to the US and Canada
Limitations
- Needs a Google account
- Free calls to Canada and US only
Step-by-Step Guide
To use this tool:
- 1. Go to Google Voice and sign in.
- 2. Click the "Calls" tab on the left menu and enter the recipient's number.
- 3. Hit Call and wait for the connection.
User Experience
Google Voice is a reliable VoIP service, especially for people in the US and Canada. Its readily integration with the Google ecosystem makes it a go-to choice for both individual and commercial use.
Tool 4: Skype
Skype is a well-established telecommunication application that allows audio/video calls to both Skype and traditional numbers. It comes in both web and app versions, making it a preferable service to dial from computer to phone for free.
Key Features
- Low-cost international calling from PC to mobile and landline numbers
- Supports HD video calls and conference calls
- Text messaging and file sharing
- Compatibility with both desktop and mobile devices
Limitations
- Free calling to Skype users only
- Calls to mobile/landline numbers need Credits or a Subscription
Step-by-Step Guide
To use this tool:
- 1. Install the Skype app on your desktop and sign up with your Microsoft account.
- 2. It will automatically display the contacts having a Skype account.
- 3. Add a new contact if you want.
- 4. Open the contact and place a call.
User Experience
It is a highly popular social media service that offers a wide range of features. Skype is especially suitable for video communication and low-cost international calls.
Tool 5: AirDroid Personal
This multi-feature software is primarily a remote management tool, but it also offers voice calling capability. Once the devices are connected remotely, users can make calls to the contacts directly from the computer without using the phone.
Key Features
- Allows to import dozens of phone numbers and initiate auto-dialing
- Receive and reply texts and messages from PC
- Works on both Wi-Fi and mobile data
- Remote management of smartphone
- Other features: File transferr, remote control, screen mirroring, etc.
Limitations
- Full functionality for Android devices， limited to iOS devices.
Step-by-Step Guide
To use this tool:
- 1. Download and install AirDroid Personal on both your computer and the phone.
- 2. From the desktop version, connect to the mobile app via Wi-Fi or USB.
- 3. Use the Dialer feature to make and receive the calls remotely from your PC.
User Experience
AirDroid Personal is a brilliant app for controlling your Android and iOS devices remotely which assists in multitasking. However, its calling feature is less sophisticated compared to the dedicated VoIP apps.
Tool 6: AirDroid Remote Support
AirDroid is specifically designed for small enterprises and IT professionals to provide remote assistance to customers. Through its voice feature, businesses can communicate in real-time while providing assistance or managing remote teams.
Key Features
- VoIP-based voice calling for remote assistance
- Real-time screen sharing
- File sharing and text messaging
- AR camera on Android/iOS devices
Limitations
- Initiate calls to AirDroid users
Step-by-Step Guide
To use this tool:
- 1. Install the AirDroid Remote Support app on the devices and sign up.
- 2. Generate the 9-digit code to connect devices and begin the remote session.
- 3. Click the Call icon to initiate the voice call.
- 4. Enable the microphone access.
User Experience
This tool supports real-time, two-way calling between the connected devices for a smooth and efficient calling experience. It is very easy to set up and use, and can be a game changer for small businesses.
Part 3: Advanced Options: SIP Softphones
Want advanced customization options when calling a phone from a computer? Try using SIP Softphones for greater control and flexibility. SIP, or Session Initiation Protocol, is a dedicated signaling mechanism to initiate, maintain, and end multimedia sessions like audio/video calls and instant messaging.
Let us discuss two top SIP softphones with our readers!
Tool 1: Zoiper
Zoiper is a powerful SIP softphone that primarily caters to business use because of its extensive features and customization options. It supports high-quality audio and video calls as well as text messages across different platforms.
Key Features
- Supports HD audio and video calls
- Allows multiple SIP accounts
- Seamless integration with PBX systems
- Advanced codec support
- Cross-platform compatibility
Setup Guide
After installing the app, click "Add Account" and configure it with your SIP credentials (username, password, server address) provided by the VoIP provider. Follow the on-screen instructions to complete the setup process. And voila, you can now start phone calling from computerright away.
Tool 2: Voipfone
If you're already a Voipfone service user, this tool SIP softphone is a perfect companion. It caters to the computer to the phone calling requirements of both business and home users. Voipfone premium plan starts from $5/month.
Key Features
- Free audio/video calls to Voipfone network
- Advanced functions like voicemail
- Integration with CRM systems
- Low-cost international calls
Setup Guide
First, create your account on Voipfone and get the SIP credentials. Then, configure your account on a softphone or VoIP device and enjoy unlimited computer to telephone calls without any hassle.
Part 4: Key Considerations When Using Free Phone Calling App
When choosing the best VoIP service for computer to telephone calls, look for factors like ease of use, price plans, feature list, and customization options. This will help you shortlist the right computer to phone calling tool app for your business or home needs.
If you're using the app for business purposes, ensure complete compliance with the legal and data protection regulations. The information of customers shouldn't be disclosed to any unauthorized party.
Conclusion
To sum up, free calling from a computer to a telephone has become more convenient and cost-effective. You now have plenty of options, ranging from web-based applications to advanced SIP softphones, to handle your computer-to-phone calling needs.
Overall, the above-mentioned apps can be summarized as:
- PopTox: For quick and casual calls to local and international numbers.
- Globfone: Make calls to any phone or landline number directly from your web browser.
- Google Voice: Preferable for personal use for its ease of use and integration with the Google ecosystem
- Skype: For low-cost international calls and free Skype calls
- AirDroid Personal: Best for personal use to manage the Android device remotely while making calls
- AirDroid Remote Support: For providing real-time remote assistance to customers, teams, family, and friends.
- Zoiper and Voipfone: Suited to tech-savvy users who require advanced customization options mostly for commercial use.
And that's all for today.
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