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Analyzed 2 days ago. based on code collected 2 days ago.

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.

Tags

c carrier chat cluster communication ims kamailio linux messaging openser presence rcs router secure secureconnection server sip softswitch telecommunication telephony unix video voice voip

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In a Nutshell, Kamailio (SIP Express Router)...

Quick Reference

Project Links:
Homepage ( 2 Links )
Documentation
Download ( 2 Links )
Forums ( 2 Links )
Mailing Lists
Code Locations:
https://github.com/kamailio/kama...
Similar Projects:
Managers:
Henning Westerholt and Daniel-Constantin Mierla

Licenses

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.

All Licenses

Project Security

Vulnerabilities per Version ( last 10 releases )

There are no reported vulnerabilities

Project Vulnerability Report

Security Confidence Index

Poor security track-record
Favorable security track-record

Vulnerability Exposure Index

Many reported vulnerabilities
Few reported vulnerabilities
About Project Vulnerability Report

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About Project Security

Code

Lines of Code

Activity

Commits per Month

Community

Languages

C 		78%
XML 		15%
20 Other 		7%

30 Day Summary

Jul 31 2025 — Aug 30 2025

12 Month Summary

Aug 30 2024 — Aug 30 2025
  • 1973 Commits
    Up + 233 (13%) from previous 12 months
  • 66 Contributors
    Up + 1 (1%) from previous 12 months

Most Recent Contributors

...stantin Mierla ...ing Westerholt
linuxmaniac Kamailio Dev
Xenofon Karamanos pepelux

Ratings

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Static Analysis ( Generated by Coverity Scan for kamailio/kamailio )

Repository URL: https://github.com/kamailio/kamailio

Version: 6.1-dev

2025-07-31
Last Analyzed
1,541,572
Lines of Code Analyze
0.31
Defect Density

Defects by status for current build

4,252
Total defects
481
Outstanding
3,730
Fixed

CWE Top 25 defects

ID CWE-Name Number of Defects
120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') 9
190 Integer Overflow or Wraparound 41
676 Use of Potentially Dangerous Function 4