Quick Fix for Outbound Dialing Issue 3cx V20

[The Telephony Co]

Issue with inbound calls coming in, while outbound calls are not going through. To resolve this quickly, please follow the steps below:

1. Configure SIP Trunk in Generic Mode:
   • Set up the SIP trunk similar to how we did in version 18.
   • Route calls to the desired extension or queue.
2. Test Incoming Calls:
   • After configuring the SIP trunk, test the incoming calls to ensure they are working correctly.
3. Export XML File for Outbound Calls:
   • Navigate to the "Voice and Chat" option.
   • Click on the three dots at the end.
   • Select "Export File" and open the exported XML file in Notepad.
   • Locate the "Parameter Out" line and set the parameter for outbound calls.
   • Save the file.
4. Import XML File:
   • In the "Voice and Chat" option, click on the three dots again.
   • Select "Import Provider."
   • Choose the previously saved XML file to import.

By following these steps, the outbound dialing issue should be resolved.

 

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This must be specific to you?

I dont see any reason why creating a generic SIP trunk in v20 wouldnt work.

have you compared the 2 XML files from v18 and v20?

Did you previously set up an unsupported SIP Provider using a supported SIP provider template?