Communication has never been easier with the advent of Voice over Internet Protocol (VoIP) technology. Session Initiation Protocol (SIP) is one of the most popular standards used for VoIP communication. SIP allows users to make voice and video calls over the internet instead of traditional phone lines. In this article, we will discuss the top free SIP apps for your computer.

1. Zoiper

Zoiper is a free SIP client available for Windows, Mac, and Linux operating systems. It supports multiple SIP accounts, voice, and video calls, and messaging. Zoiper also offers advanced features such as call transfer, call recording, and conference calls. The app has a user-friendly interface and is easy to set up. Zoiper also offers a paid version with more advanced features.

2. Jitsi

Jitsi is a free and open-source SIP client that is available for Windows, Mac, and Linux operating systems. It supports voice and video calls, messaging, and screen sharing. Jitsi also offers end-to-end encryption for secure communication. The app has a simple and intuitive interface, making it easy to use for beginners.

3. Linphone

Linphone is a free SIP client available for Windows, Mac, and Linux operating systems. It supports voice and video calls, messaging, and file sharing. It also offers advanced features such as call transfer, call recording, and conference calls. Linphone has an easy-to-use interface and is highly customizable.

4. Blink

Blink is a free SIP client available for Windows and Mac operating systems. It supports voice and video calls, messaging, and screen sharing. Blink also offers advanced features such as call transfer, call recording, and conference calls. The app has a user-friendly interface and is easy to set up.

5. MicroSIP

MicroSIP is a free, portable SIP client available for Windows operating systems. It supports voice calls, messaging, and file sharing. The app has a simple and lightweight interface, making it ideal for low-end systems. MicroSIP also offers advanced features such as call transfer and call recording.

In conclusion, there are numerous free SIP apps available for your computer. Zoiper, Jitsi, Linphone, Blink, and MicroSIP are some of the top free SIP apps that offer voice and video calls, messaging, and advanced features such as call transfer and call recording. Choose the one that suits your needs and start communicating over the internet with ease.