Kamailio is a free, open-source, and flexible SIP server that is capable of handling thousands of call setups per second. It is based on OpenSER and SER. With Kamailio, you can build large platforms for VoIP and real-time communications – presence, WebRTC, Instant messaging, and other applications. If you’re looking for an open-source SIP server to run your business VoIP and real-time communication presence, then you might want to take a look at Kamailio. To easily manage Kamailio, you will want to install the Siremis web portal. This post shows you how to do that as well. For more on the Kamailio platform, please visit its home page How to install the Kamailio SIP server on Ubuntu Linux with Apache support As described above, Kamailio is a free, open-source, and flexible SIP server that is capable of handling thousands of call setups per second. It is based on OpenSER and SER. Below is how to install it on Ubuntu Linux with Apache support.

Install Apache2 HTTP

Apache2 HTTP Server is the most popular web server in use. so install it since Kamailio needs it. To install Apache2 HTTP on the Ubuntu server, run the commands below. After installing Apache2, the commands below can be used to stop, start and enable the Apache2 service to always start up with the server boots. To test the Apache2 setup, open your browser and browse to the server hostname or IP address and you should see the Apache2 default test page as shown below. When you see that, then Apache2 is working as expected.

Install MariaDB Database Server

v also needs a database server to store its content. and MariaDB database server is a great place to start when looking at open-source database servers to use with v. To install MariaDB run the commands below. After installing MariaDB, the commands below can be used to stop, start and enable the MariaDB service always to start up when the server boots. Run these on Ubuntu After that, run the commands below to secure the MariaDB server by creating a root password and disallowing remote root access. When prompted, answer the questions below by following the guide.

Enter current password for root (enter for none): Just press the Enter Set root password? [Y/n]: Y New password: Enter password Re-enter new password: Repeat password Remove anonymous users? [Y/n]: Y Disallow root login remotely? [Y/n]: Y Remove test database and access to it? [Y/n]:  Y Reload privilege tables now? [Y/n]:  Y

Restart MariaDB server To test if MariaDB is installed, type the commands below to logon into the MariaDB server Then type the password you created above to sign on. if successful, you should see MariaDB welcome message

PHP 7.2 may not be available in Ubuntu default repositories. to install it, you will have to get it from third-party repositories. Run the commands below to add the below third party repository to upgrade to PHP 7.2 Then update and upgrade to PHP 7.2 Next, run the commands below to install PHP 7.2 and related modules. After installing PHP 7.2, run the commands below to open the PHP default config file for Apache2. Then make the changes on the following lines below in the file and save. The value below is a great setting to apply in your environment. After making the change above, save the file and close it. After installing PHP and related modules, you must restart Apache2 to reload PHP configurations. To restart Apache2, run the commands below To test PHP 7.2 settings with Apache2, create a phpinfo.php file in the Apache2 root directory by running the commands below Then type the content below and save the file. Save the file. then browse to your server hostname followed by /phpinfo.php You should see the PHP default test page.

Download Kamailio Latest Release

Kamailio packages are not available in the Ubuntu default repositories. To install it you’ll have to add its official repository to Ubuntu. To do that, follow the steps below: First, download and add the GPG key for its repository by running the commands below: Next, run the commands below to create its repository file. Then copy and paste the lines below into the file and save it. Finally, update Ubuntu packages and install Kamailio. After installing Kamailio, you can check whether it’s installed and ready by running the commands below. You should see similar lines as shown below: The kamailio default configuration file is located at /etc/kamailio/kamctlrc. For configurations, simply open the file and add your changes, then save it. To specify a domain name for your server, run the commands below to open its configuration file. Then edit the highlighted lines in the file and save. After making the changes above, run the script below to create a database, user, and tables needed by Kamailio. If you get access denied for root@localhost, follow the steps below to resolve. Login to the MariaDB server by running the commands below That should get you into the database server. After that, run the commands below to disable plugin authentication for the root user Restart and run the commands below to set a new password. Now run the Kamailio script to create a database and user. When prompted, answer with the settings below: Next, open the /etc/kamailio/kamailio.cfg file by running the commands below: Then add the following lines below #!KAMAILIO. Save and exit. To apply your changes, run the commands below: Kamailio is now installed and ready to use.

Install and Configure Siremis

Now that Kamailio is installed, you will need a simple web interface to manage the server. To accomplish that, install Siremis. Siremis is a web-based interface for Kamailio SIP Server. It provides an easy way to create and manage user profiles, routing rules, view accounting, register phones, and communicate with the SIP server. To get Siremis installed, you’ll want to install XML_RPC. Run the commands below to install. Next, change the directory to Apache web root, install git and download Siremis packages. After that, change into the Siremis folder and prepare your environment. Finally, configure the Apahce2 site configuration file for Siremis. This file will control how users access Siremis content. Run the commands below to create a new configuration file called siremis.conf Then copy and paste the content below into the file and save it. Replace the highlighted line with your domain name and directory root location. Save the file and exit.

Enable the Siremis and Rewrite Module

After configuring the VirtualHost above, enable it by running the commands below Finally, follow the steps below to grant Siremis user access to its database. Enter your root password, when prompted. Then run the SQL statement below Then flush the privileges and exit Then open your browser and browse to the server domain name or hostname. This is often localhost but can be a hostname or IP address. Your server admin or hosting company will have this information available. Begin the installation wizard Validate that all requirements are met, then continue with the wizard. Please enter your database configuration information below. If you select to create the Siremis database, then the user set to access it must have privileges to create it. Importing the default data inserts the records required by the Siremis administration. The Siremis database is for internal use while the SIP database is the one used by Kamailio – it has to be created separately (i.e., kamdbctl create). Attention: Update SIP DB is removing and recreating acc and missed_calls tables in the Kamailio database. After a brief moment, the setup should complete and provides you with an admin username and password. Use the credential to log in and begin setting up your environment. Username: admin Password: admin That should complete the setup. Conclusion: You have learned how to install the Kamailio SIP server with the Siremis backend on Ubuntu with an Apache2 HTTP server. If you find any errors above, please leave a comment below Thanks