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Kamailio on Docker
This document discusses how to configure Kamailio as a session border controller (SBC) using Docker. It provides an introduction to Kamailio and explains how to install Kamailio from source on a CentOS Docker container. Specific steps are outlined to configure Kamailio to use MySQL, create the database schema, modify the configuration file to use the private and public IP addresses, and start the Kamailio server. The document also provides instructions for testing Kamailio by getting the error log, creating SIP user accounts, and registering a SIP softphone.
In this document
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Overview of Kamailio's history as an Open-Source SIP Proxy, its functions as a Session Border Controller (SBC) including user authentication, and load balancing capabilities.
Details on setting up Kamailio with B2BUA, covering dialing configurations and network safety, including separation of internal and external traffic.
Step-by-step instructions for installing and configuring Kamailio on Docker, including system requirements, dependency installations, and database configurations.
Citations for further information including links to Kamailio, FreeSWITCH, and the Docker implementation.
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Kamailio on Docker
- 1. Kamailio on Docker StanleyWu (吳建澄) skyeyester@gmail.com Sep. 12, 2015
- 2. Outline • Introduction toKamailio • Make Kamailio as Session Border Controller (SBC) with B2BUA • How to Configure Kamailio on Docker? 2
- 3. Introduction to Kamailio(1/3) • Kamailio History 3 Source: http://www.kamailio.org/w/history/
- 4. Introduction to Kamailio(2/3) • Kamailio is an Open-Source SIP Proxy (not B2BUA) • Kamailio can be configured as a Session Border Controller (SBC) – User authentication – Blacklisting – Brute-force attack protection – Strip TLS 4
- 5. Introduction to Kamailio(3/3) • Put Kamailio in front of a B2BUA farm(such as FreeSWITCH), to perform load balancing, failure routing and high availability. • Containers (such as Docker) make Kamailio easy to prototype and test, but many see them as a way to scale on demand 5Ref: http://sip-router.org/history/
- 6. Make Kamailio asSBC with B2BUA (1/2) • In this setup, the dialplan is detailed only for inbound to outbound traffic, but it could be easily extended for outbound to inbound traffic (or DID). • The design is the following: – FreeSWITCH is configured with an internal and an external profile, each profile listening on a different network interface. – Kamailio is listening on the loopback interface, and is not used by any other process than FreeSWITCH. 6
- 7. Make Kamailio asSBC with B2BUA (2/2) • Separate the telephony core network from the Internet to keep safety 7 Private Network Internet Kamailio IVR (FreeSWITCH) RTP Gateway (FreeSWITCH) Database PSTN Gateway (FreeSWITCH) IM/SMS (Asterisk) SIP User A SIP User B SIP User C SIP User D
- 8. How to ConfigureKamailio on Docker? • Docker Host System Environment – CetOS 6.6 64bit – 8GB RAM – 10/100 NIC – 512GB HardDisk • Client – Android/iOS Phone with Linphone APP (Recommend) – Other SIP phone software 8
- 9. How to ConfigureKamailio on Docker? • Install Docker (skip) • Download the centos basic docker image – $ docker pull delu2000/centos6.6:latest • Run the centos in a new docker container with port forwarding – $ docker run -it -p 8888:22 -p 5060:5060/udp -p 5060:5060/tcp -p 16384-16394:16384-16394/udp -p 16384-16394:16384-16394/tcp -p 5080:5080/tcp -p 3478-3479:3478-3479/udp -p 7077:7077/udp -p 7077:7077/tcp delu2000/centos6.6:latest /bin/bash 9
- 10. How to ConfigureKamailio on Docker? • Prepare to Install Kamailio – disable selinux • # setenforce 0 – Install dependency • # yum -y install gcc gcc-c++ gdb bison openssl-devel libtermcap-devel ncurses-devel doxygen curl-devel make newt-devel mlocate lynx tar wget nmap bzip2 unixODBC unixODBC-devel libtool-ltdl libtool-ltdl-devel mysql-connector-odbc mysql mysql-devel mysql-server flex libxml2 libxml2-devel pcre pcre-devel git which 10
- 11. How to ConfigureKamailio on Docker? • Install Kamailio by Source code – Download source code • # mkdir -p /usr/local/src/kamailio-4.0 • # cd /usr/local/src/kamailio-4.0 • # git clone --depth 1 git://git.sip-router.org/sip-router kamailio • # cd kamailio • # git checkout -b 4.0 origin/4.0 – Configure make • # make cfg – Modify modules.lst • # vi modules.lst • add db_mysql in the section that says include_modules • include_modules= db_mysql – Compile source code and install • # make all • # make install 11
- 12. How to ConfigureKamailio on Docker? • Start MySQL – #service mysqld start – #mysqladmin -u root password <your password> • Configure Kamailio to use MySQL – By default, Kamailio does not use MySQL. To change this we need to edit one of Kamailio’s configuration files. • # vi /usr/local/etc/kamailio/kamctlrc – Uncomment the DBENGINE parameter by removing the pound symbol and make sure the value equals MYSQL. The parameter should look like this afterwards: • DBENGINE=MYSQL 12
- 13. How to ConfigureKamailio on Docker? • Create the Kamailio Database Schema – # /usr/sbin/kamdbctl create (say yes by default) 13
- 14. How to ConfigureKamailio on Docker? • Modify the Kamailio config file – # vi /usr/local/etc/kamailio/kamailio.cfg – Insert the following after the #!Kamailio line: • #!define WITH_MYSQL – mdoify IP #listen=udp:10.0.0.10:5060 • listen=udp:PRIVATE_IP:5060 advertise PUBLIC_IP:5060 • Start the Kamailio Server – service kamailio start 14
- 15. How to ConfigureKamailio on Docker? • Test Kamailio – Get Kamailio Error Log • # kamailio -E -e –dd – Creating SIP User Accounts • # kamctl add <extension@domain> <password> • e.g.=> kamctl add 1006@10.10.10.135 1234 – Registering a SIP Softphone 15 User ID: 1006 Domain: <Public_IP address of your Kamailio Server> Password: 1234
- 16. Reference • http://www.kamailio.org • http://wiki.freeswitch.org/wiki/SBC_Setup •https://github.com/alezzandro/docker- kamailio 16