Learn how to configure IP PBX with 3CX Phone System Server
3CX Phone System is a powerful, software-based IP PBX that replaces traditional hardware PBX. It offers a complete unified communications solution that is easy to install, manage, and use, making it a perfect fit for businesses of any size.
Make sure the provider is registered.
Proceed to configure the General tab settings under Provider Capabilities and Registration Settings.
Disable some options under Provider Capabilities and set codecs priority: ilbc first, followed by G729.
Ensure the status shows as registered.
Configure outbound rules accordingly.
Create a rule to send any call starting with 0 to Alien VoIP for testing.
Ensure that your extension is properly registered.