3CX Integration
A step-by-step guide to connecting your 3CX phone system with Famulor via SIP trunking.
What is 3CX Integration?
Connect your 3CX phone system with Famulor via SIP trunking for flexible and scalable telephony integration.
Benefits
Leverage your existing 3CX infrastructure with our AI assistants for enhanced telephony features.
What is 3CX Integration?
3CX Integration allows you to connect your 3CX phone system with Famulor. 3CX is a popular IP PBX that provides flexible SIP trunking solutions for telephony integration.How It Works
When you integrate your 3CX phone system with Famulor:Incoming Calls
Calls to your 3CX numbers are forwarded via SIP trunking to our AI assistants.
Outgoing Calls
Our AI assistants can place calls that appear to come from your 3CX numbers.
Management
You continue to manage your numbers through the 3CX admin interface.
Integration
Seamless integration between 3CX and Famulor via SIP trunking.
Setting Up Your 3CX Integration
Create a Trunk in 3CX
Trunk Creation
Navigate to “Trunks & Chat” in the admin interface and create a new trunk using the +Trunk button.
Select the option “Generic SIP Trunk (IP Based)”. Note - This is only available for hosted systems!
Configure 3CX Trunk
Basic Configuration
- Choose any name you like
- Use the number (including extension) that you want to be reachable through Famulor
- Set Registrar to
your-unique-id.sip.livekit.cloud
Important: You can find your specific Famulor SIP address in your Famulor dashboard under “Phone Numbers” → “Integrate SIP Trunk” → “Our SIP Address”.
Transport Protocol
Restrict the transport protocol to TCP.
This is important for maintaining a stable connection between 3CX and Famulor.
Create Number in Famulor
Number in Famulor
Go to Phone Numbers - Add Number - Create SIP Number and add the number in Famulor.
Use exactly the same number you configured above.
Important Notes
Hosted Systems Required
Important: The “Generic SIP Trunk (IP Based)” option is only available on hosted 3CX systems.
Local installations may not support this feature.
TCP Protocol
Transport Protocol: The transport protocol must be restricted to TCP for a stable connection.
Number Matching
Number Matching: The number in 3CX must exactly match the number in Famulor.
Registrar Address
Registrar: Use the correct Famulor SIP server address.
Security Requirements
SIP Credentials Security
Your SIP credentials must be secure:
- Username: Your 3CX extension number or provided username
-
Password requirements:
- At least 12 characters
- Numbers
- Upper and lower case letters
- Special characters recommended
Common Issues
Trunk Option Not Available
The “Generic SIP Trunk (IP Based)” option is not available?
- Check if you are using a hosted 3CX system.
- Local installations may not support this feature.
- Contact 3CX support for more information.
Connection Problems
Connection problems between 3CX and Famulor?
- Ensure the transport protocol is set to TCP.
- Verify the registrar address is correct.
- Check your firewall settings.
Number Mismatch
Calls are not being forwarded correctly?
- Make sure the number in 3CX exactly matches the number in Famulor.
- Check your extension configuration.
- Test with a simple call.
Outgoing Calls
Outgoing calls not working?
Outgoing calls are currently not available. This functionality will be added soon.
Need Help?
Contact Support
Need further assistance? Contact our support team for personalized help with your 3CX integration.

