Things to keep in mind before using Kamailio as a Load Balancer for Asterisk
Kamailio world was an online event this year, but you can find all the videos here now they’ve all been posted.
Using UAC module to authenticate outbound calls where you need to respond to a 401 Unauthorised Response, or a 407 Proxy Authentication required
Using Docker to containerize Kamailio instanances
My first Pull / Merge in the Kamailio project was to fix the IMS P-CSCF config
Using Kamailio to send HTTP requests (POST & GET) to a HTTP server and store the result.
Running multiple instances of Kamailio on the same server using init.d
Using Transport Layer Security (TLS) to protect SIP traffic from modification / manipulation and guarantee message authenticity.
Using apt package manager to install nightly Kamailio builds
Using Ansible to automate Kamailio deployments at scale
Lessons learned about setting up VoLTE / IMS Networks at small scale.
Using KEMI to handle Kamailio SIP Routing in Python
Using Kamailio’s UAC module to send outbound SIP REGISTER messages
Using KEMI to write routing logic using languages like Python, Ruby, Lua and JS
Introducing C Diameter Peer module in Kamailio to manage Diameter Peers, monitor their state and handle the connections.
AP, IX, IP & DX – The meaning of Dispatcher states in Kamailio’s Dispatcher module.
Stateless Kamailio SIP proxy example for changing Caller ID values
SIPp (a performance testing tool for SIP) to simulate many concurrent calls leading to many concurrent transcoding sessions.