3CX PBX interconnection with M4
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1. Create an Origination Point in M4. Add the IP address of your 3CX PBX and fill in the field "Check From Domain" (for example, demo.kolmisoft.com).
2. Create a trunk in the 3CX PBX. The hostname in the field "Registrar/Server/Gateway Hosted or IP" should match what you entered in the "Check From Domain" field (for example, demo.kolmisoft.com).
