Using KEMI to handle Kamailio SIP Routing in Python
Using Kamailio’s UAC module to send outbound SIP REGISTER messages
The exchange between a UE and P-CSCF to put SIP traffic into IPsec encapsulated payloads.
Using KEMI to write routing logic using languages like Python, Ruby, Lua and JS
Viewing the payload of an Encapsulated Security Payload in Wireshark.
Function of Supported & Require headers in SIP.
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
Unlocking the built in IMS Debugging tool in Samsung’s Sysdump Utility
What goes on in the background with Local Number Porting in Australia
Robust Header Compression (ROHC) and it’s use for compressing RTP / VoLTE traffic headers.
SIPp (a performance testing tool for SIP) to simulate many concurrent calls leading to many concurrent transcoding sessions.
Some TM (Transaction Module) use cases in Kamailio
Basic example of a Transaction Stateful SIP Proxy in Kamailio
SDPs ptime values, what it means, how it can go wrong and how to fix it.
Comparison on Asterisk and Kamailio and where they fit in the Telephony landscape.
Manipulating SDP with Kamailio