Linphone: Your Open Source Solution for Free Calls and Messaging. This open-source app lets you make free audio and video calls, and send text messages, all while staying connected even when the app is closed, using Wi-Fi or 3G/4G. Boasting high-definition audio/video calls, conference calling capabilities, file sharing, and secure communication, Linphone is ideal for both personal and professional use. Compatible with major mobile and desktop operating systems, it also provides advanced features for developers. Download Linphone today from www.linphone.org for seamless communication. Need customization? Contact Belledonne Communications at www.belledonne-communications.com.\n\nApp Highlights:\n\n* **Free Calls and Messaging:** Make free audio and video calls and send text messages easily.\n* **Always Reachable:** Stay connected via Wi-Fi or 3G/4G, even with the app closed.\n* **High-Definition Calls:** Enjoy crystal-clear audio and sharp video quality for immersive conversations.\n* **Conference Calls:** Host audio conference calls for seamless collaboration.\n* **Secure Communication:** Benefit from encryption options for protected conversations.\n* **Broad Provider Compatibility:** Connect with anyone using a standard phone line through numerous SIP-compatible VoIP providers.\n\nIn Summary:\n\nLinphone delivers free audio/video calling, texting, and file sharing, ensuring you stay connected at all times with push notifications. Experience high-definition calls, conference calling, secure communication, and broad provider support. Available across multiple operating systems, with advanced features for experienced users. Download Linphone now and experience effortless communication.