Migration from 3.1.2 to Kamailio 3.2 requires upgrade of installed packages, database structures and configuration file.
Upgrade of Packages
First, we have to add correct debian repository of kamailio version 3.2. So open your source list file
In some situation is direct installation of precompiled kamailio packages from prepared repositories not appropriate. There is a simple way to keep a touch with latest kamailio releases with using GIT (an revision control system). The article describe a simple way how to manually compile and install Kamamilio and its module from source code offered through GIT.
Install kamailio from GIT
Prerequisities
This guide describes Kamailio 3.2 configuration with RTP Proxy.
Requirements:
The article is based on the article Installing SIREMIS 2.0, the Kamailio web management interface, on debian (lenny) - how to. The installation is straighforward and is working for siremis 2.1 and Kamailio 3.2.
Observed problems
Message "can't open cmp file to write"
Siremis web interface provides opportunities to extend main functionalities with special components. However, these components requires additional configuration.
Prerequisities
Installed the Kamailio server with Mysql, installed siremis with apache following steps in the guide.
This is the flowchart of Kamailio 3.2 default routing logic. The main purpose of this flowchart is to help you understand the routing logic and navigate through it more efficiently and quickly. It should also serve as a tool when you are trying to modify something.
Most routing blocks (mainly those in which routing can end (exit)) are displayed and organized.
Preprepared binary package of the Kamailio server hasn't enabled the SCTP support. You may check this on your running platform both ways:
First running kamailio command with -V options and checking the output for the sctp flag:
This article talks about deploying permission control mechanism for call establishment in Kamailio SIP Proxy.
In many VoIP solutions, it is crutial to deploy numbering scheme and write down rules where users are/aren't allowed to call.
On top of that, a company can allow the people to call outside, for example to PSTN. The rules can change over time as well as the numbering scheme itself.
In many setups Kamailio is used as a PROXY server that takes care of routing calls to servers providing voice services, e.g. voicemail, IVR or conference calls.
There are a few things an administrator must keep in mind.