Project Summary
Kamailio is an open source SIP server application formerly named OpenSER. Starting with v3.0.0 it has merged its ancestor project, respectively SIP Express Router (SER). The project is managed by its community, released under GPLv2, and focusing to build a flexible and rock solid SIP server.
Among features: full RFC3261 implementation, support for IPv4, IPv6, UDP, TCP, TLS, SCTP, DNS SRV and NAPTR, Websockets for WebRTC, least cost routing, load balancing, AAA and prepaid billing, presence server, RCS/RCSe, embedded XACP server and MSRP relay, RADIUS, XMLRPC control interface, IMS extensions, MySQL, Postgres and many other DB backends, embedded interpreters for Lua, Perl, Python, C# and other languages, IMS extensions.
Badges
In a Nutshell, Kamailio (SIP Express Router)...
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has a well established, mature codebase
maintained by a very large development team
with stable Y-O-Y commits -
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took an estimated 321 years of effort (COCOMO model)
starting with its first commit in September, 2001
ending with its most recent commit 5 months ago
Quick Reference
GNU General Public License v2.0 or later
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Forbidden
Sub-License
Hold Liable
Required
Distribute Original
Disclose Source
Include Copyright
State Changes
Include License
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
Did You Know...
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in 2016, 47% of companies did not have formal process in place to track OS code
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30 Day SummaryJan 1 2025 — Jan 31 2025
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12 Month SummaryJan 31 2024 — Jan 31 2025
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Static Analysis ( Generated by Coverity Scan for kamailio/kamailio )
Repository URL: https://github.com/kamailio/kamailio
Version: 5.4-dev
- 2020-10-19
- Last Analyzed
- 1,320,068
- Lines of Code Analyze
- 0.3
- Defect Density
Defects by status for current build
- 3,698
- Total defects
- 395
- Outstanding
- 3,271
- Fixed