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How to setup Ozeki VoIP SIP SDK with 3CX Phone System

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

Ozeki VoIP SIP SDK uses Voice over IP to establish phone calls. Using VoIP technology is less expensive than traditional phone services. With Ozeki VoIP SIP SDK you can view your registered phone line, and your active phone calls. You can establish calls using the Softphone of the Demo Application. You can also select the codec to be used during the phone call.

This configuration guide demonstrates how you can connect Ozeki VoIP SIP SDK 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 VoIP SIP SDK will connect using this created extension. Once Ozeki VoIP SIP SDK 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.


Figure 1 - Calling contacts via 3CX Phone System

  1. Ozeki VoIP SIP SDK registers to 3CX Phone System
  2. The call will be forwarded to 3CX Phone System using the created extension
  3. The destination phone will be ringing
  4. You can start talking using the SDK.

Configuration steps

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

Step 1.) Configure 3CX Phone system

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 2).


Figure 2 - Start Windows Management Console

Once it is started, enter as an administrator. Provide your user name and password in the respective fields (Figure 3).


Figure 3 - Login as administrator

After login, click on "Extensions" in the navigation menu, and click on "Add Extension" in the "Extensions" panel (Figure 4).


Figure 4 - Add extension

Fill the "Extension Number" field, provide an ID and a Password in the Authentication group (Figure 5).


Figure 5 - Create Extension

To save your settings, click on OK.


Figure 6 - Save settings

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

Step 2.) Configure Ozeki VoIP SIP SDK

In this example, I have already downloaded the installer into my computer from the download page. Open the downloaded package, and execute the installer. Accept the License Agreement and click on Next (Figure 7).


Figure 7 - Install VoIP SIP SDK

Wait until your Ozeki VoIP SIP SDK is installed (Figure 8).


Figure 8 - Installing VoIP SIP SDK

After installation, Ozeki VoIP SIP SDK Demo Application will be started automatically. To provide your 3CX extension details in the Demo Application, fill the SIP Account Settings fields with the created extension data and click on Register. (Figure 9).


Figure 9 - Register to 3CX Phone System

After registration, the registered phone line will be visible in the Phone Lines area. Enter a number using the form and click on Pick up (Figure 10).


Figure 10 - Dial a phone

On Figure 11, you can see the Demo Application is calling the destination phone.


Figure 11 - Incoming call from the Demo Application

The active phone call is visible in the Phone Calls area (Figure 12).


Figure 12 - Active phone call

Conclusion

Now the configuration is complete, and the testing is successful and you can start to build your application with VoIP support. You can reach them at the lowest price possible using a VoIP system.

If you have any further questions, do not hesitate to contact us: info@voip-sip-sdk.com