How to setup Ozeki Phone System with 3CX Phone System

This guide shows how you can connect Ozeki Phone System to your 3CX Phone System.
This solution gives you a brief explanation about how you can configure Ozeki Phone System to start building your own application.

Ozeki Phone System uses Voice over IP to establish phone calls. Using VoIP technology is less expensive than traditional phone services. With Ozeki Phone System you can view your registered phone line, and your active phone calls. You can establish calls using Ozeki Phone System.

This configuration guide demonstrates how you can connect Ozeki Phone System to your 3CX Phone System.

System architecture

If you follow the configuration guide, you will have a telephone system that works as follows: First, create an extension in your 3CX Phone System. Ozeki Phone System will connect using this created extension. Once Ozeki Phone System Studio is connected, you can start your calls. The destination phone could be a VoIP phone, a land line phone, or a mobile phone. You can see this process in Figure 1.

calling contacts via cx phone system
Figure 1 - Calling contacts via 3CX Phone System

  • Ozeki Phone System registers to 3CX Phone System
  • The call will be forwarded to 3CX Phone System using the created extension
  • The destination phone will be ringing
  • You can start talking using the Phone System.

Configuration steps

Before you start to configure this solution it is assumed that you have already installed your 3CX Phone System, and downloaded Ozeki Phone System XE installer from the download page.

Step 1.) Configure 3CX Phone system

Install your 3rd party PBX on your computer or virtual machine. More important to realise that your PBX and Ozeki Phone System should be in the same local network. Start to install and add your local IP address which also use by default.

installing cx phone system
Figure 2 - Installing the 3CX Phone System

After that you have choosen how many digits your extension numbers will be, just add your username and a password to be used to logon into the management console. When the wizard complete you are able to connect to the management console to configure SIP account.

Step 2) Create a SIP account

First of all, your 3CX Phone System needs to be configured. Click on Start menu, expand the 3CX Phone System folder, and click on Windows Management Console (Figure 3).

start windows management console
Figure 3 - Start Windows Management Console

Once it is started, enter as an administrator. Provide your user name and password in the respective fields (Figure 4).

login as administrator
Figure 4 - Login as administrator

After login, click on "Extensions" in the navigation menu, and click on "Add Extension" in the "Extensions" panel (Figure 5).

add extension
Figure 5 - Add extension

Fill the "Extension Number" field, provide an ID and a Password in the Authentication group (Figure 6).

create extension
Figure 6 - Create Extension

To save your settings, click on OK.

save settings
Figure 7 - Save settings

Now the configuration of 3CX Phone System is done, and you can configure Ozeki Phone System.

Step 3.) Configure Ozeki VoIP provider to use the created SIP account

If you have any questions or need assistance, please contact us at

Dig deeper!
People who read this also read...

More information