If you already have a legitimate key and are simply having trouble activating it, you can usually release the key from the customer portal to reinstall it on a new system. Where is the License Key for Free Edition? | 3CX Forums
With his conscience clear, Alex decided to explore alternative solutions. He contacted 3CX support, and they provided him with a temporary trial license key. This allowed him to configure the system and prepare for the presentation. 3cx crack license key hot