asterisk vs kamailio

asterisk and kamailio are closely matched on community size and activity — the right pick depends on your specific requirements.

Option A

The official Asterisk Project repository.

Activity score

Option B

Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms, focusing on flexibility, security and scalability

Activity score

Detailed Comparison

asterisk wins

asterisk has 1.2× more stars (3,447 vs 2,910).

kamailio wins

kamailio was updated more recently (10d ago vs 2d ago).

Comparable

Similar project age (11.4y vs 12.7y).

Comparable

Both are primarily written in C.