Linphone vs. iPlum

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.

Trusted by over 50,000 businesses, iPlum is a secure communication platform built for professionals who need to stay compliant, mobile, and in control of their client interactions. With features like HIPAA-compliant texting, calling, voicemail, and admin controls— it gives healthcare providers, therapists, legal professionals, and financial teams the tools you need to communicate with confidence. With iPlum, you get more than a second phone line. All calls and messages are encrypted end-to-end, with built-in voicemail transcription, call recording, and secure data storage.