Linphone

Linphone, developed by Belledonne Communications SARL, is an open-source SIP phone solution. It offers a versatile communication platform for making high-quality voice/video calls, sending instant messages, and participating in audio/video meetings. Linphone caters to businesses of all sizes, including start-ups and global corporations, and is used by professionals in various industries such as telecommunications, IT software and service providers, secure app developers, telecom operators, home automation companies, the healthcare industry, and call centers.