Linphone vs. Calilio

Linphone is an open-source Voice over IP (VoIP) application that enables users to make high-definition audio and video calls, send instant messages, and conduct video conferences over the internet. Compatible with various platforms, including iOS, Android, macOS, Windows, and Linux, Linphone provides a unified communication solution that adheres to standardized protocols, ensuring interoperability with most SIP-compatible systems.

Calilio is a cloud-based business phone system and call center software built for sales, support, and remote teams. It helps businesses move away from traditional desk phones and on-site PBX hardware by enabling teams to make and receive calls over the internet using VoIP technology from desktop, web browser, iOS, and Android devices. With Calilio, businesses can buy or port virtual phone numbers, including local, mobile, and toll-free numbers, from 100+ countries and manage customer communications from a shared workspace.