How the P-CSCF address is assigned to a UE in Protocol Configuration Options (PCO) during bearer establishment.
Using sipcmd to test SIP Services from the command line
An update to PyHSS to support IMS Authentication for VoLTE
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