libosip ☆

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Description:
Implementation of the eXosip2 stack

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Networking

Tags: sip voip networking telephony gnu protocol

Install: brew install libosip

About:
Libosip is a foundational GNU library that implements the Session Initiation Protocol (SIP) as defined by RFC 3261. It provides a simple, fast, and highly portable core for building SIP-enabled applications, handling the complex state machines and message parsing. This formula serves as the essential base dependency for more advanced stacks like eXosip2.

Key Features:

RFC-compliant SIP core implementation
Highly portable C library with minimal dependencies
Handles SIP transaction and dialog state machines
Provides parser and generator for SIP messages

Use Cases:

Developing custom VoIP clients or servers
Building SIP-based communication features into applications
Creating network testing tools for SIP infrastructure

Alternatives:

PJSIP – PJSIP is a more comprehensive, all-in-one library including media, whereas Libosip is a leaner, focused SIP stack.

Version History

Detected	Version	Rev	Change	Commit
Sep 11, 2025 9:39am		0	VERSION_BUMP	f33244e0
Nov 28, 2022 11:50pm		0	VERSION_BUMP	cb3db9ec