secure sip port

  1. How to create a new trunk template on the secure trunk port 5061 for my provider cheapconnect

    I just installed a clean version 16 of 3cx on my dedicated virtual windows server. Certificate is generated with the inital setup process. But when i want to enable the SIP a trunk on a secure port for my SIP provider i am unable to. i actualy only want to open up port 5061 from my firewall to...