Linphone: Free Audio & Video Calls with Secure Messaging and File Sharing

Linphone is a powerful open-source app that offers free HD audio/video calls and text messaging. Whether you're using Wi-Fi, 3G, or 4G, you can stay connected anytime, even when the app is closed, thanks to push notifications. With its seamless communication capabilities, Linphone makes staying in touch effortless and secure, perfect for both personal and professional use.

Designed for high-quality audio and video calls, Linphone also supports conference calls, file sharing, and encrypted communication. Compatible with a wide range of SIP-compatible VoIP services, you can connect with anyone who has a traditional phone line. Whether you're calling on mobile or desktop, Linphone ensures clear, reliable communication for all your needs.

Linphone is available on major mobile and desktop platforms and offers advanced options for users, including codec selection, encryption settings, and DTMF support. Developers and professionals can also rebrand and customize the app to fit specific use cases.

• High-definition audio and video calls for crystal-clear communication
• Supports audio conference calls with multiple participants
• Secure messaging with optional encryption for privacy
• Seamless file and picture sharing between contacts
• Works with a wide range of SIP-compatible VoIP services for greater flexibility