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.

Key Features

HD audio and video calling: Enjoy clear and high-quality audio and video calls with support for codecs like H.264, H.265, and VP8.

Audio/video meetings and group calling: Collaborate with multiple participants through audio/video meetings and group calls.

Secure communications with post-quantum end-to-end encryption: Ensure the security of audio/video calls, messages, and shared files with end-to-end encryption.

Instant messaging (IM), group chat, and file sharing: Send real-time text messages, participate in group chats, and share various files.

Interconnection with Apple's and Google's push notification systems: Seamlessly integrate with push notification systems for incoming call and message notifications.

Account creation and remote configuration (via QR code or URL): Easily create accounts and remotely configure the application through QR codes or URLs.

Fully SIP-based, for all calling, presence, and IM features: Adheres to open standards and supports voice and video calls, presence, and instant messaging functionalities.

IMDN (Instant Message Delivery Notification) status: Know the delivery status of messages without entering the conversation.

Assisted call transfer: Transfer calls with ease, ideal for call centers and improved customer service.

Shortcut for sending emojis: Access and send emojis easily for enhanced communication experience.