Things to keep in mind before using Kamailio as a Load Balancer for Asterisk
Tag: VoIP
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Kamailio World 2020
Kamailio world was an online event this year, but you can find all the videos here now they’ve all been posted.
An overview of FreeSWITCH’s ESL
Some of the lesser used / utilized features of the SIP REGISTER method.
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.
Lessons learned about setting up VoLTE / IMS Networks at small scale.
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VoLTE / IMS – P-CSCF Assignment
How the P-CSCF address is assigned to a UE in Protocol Configuration Options (PCO) during bearer establishment.
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Automated SIP testing with sipcmd
Using sipcmd to test SIP Services from the command line
A look into Instant Messaging using SIP
Using Kamailio’s UAC module to send outbound SIP REGISTER messages
Using Kamailio UAC module to send a SIP Text Message (MESSAGE) to an administrator when a user dials an emergency services number.
The exchange between a UE and P-CSCF to put SIP traffic into IPsec encapsulated payloads.
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Kamailio Bytes – KEMI Intro
Using KEMI to write routing logic using languages like Python, Ruby, Lua and JS
Viewing the payload of an Encapsulated Security Payload in Wireshark.
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SIP Supported & Require
Function of Supported & Require headers in SIP.
AP, IX, IP & DX – The meaning of Dispatcher states in Kamailio’s Dispatcher module.
Stateless Kamailio SIP proxy example for changing Caller ID values
Robust Header Compression (ROHC) and it’s use for compressing RTP / VoLTE traffic headers.
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Load Testing with SIPp
SIPp (a performance testing tool for SIP) to simulate many concurrent calls leading to many concurrent transcoding sessions.