The glowing red text on the forum thread was the first warning sign:
The consequences of using a cracked license key, such as 3CX Crack License Key UPD, can be severe. Here are some of the potential consequences: 3cx Crack License Key UPD
You can purchase a 3CX license directly from the 3CX website or through one of their authorized resellers. The process typically involves: The glowing red text on the forum thread