OK. Its finally available. 3CX Phone System v7 RC2. We're a month late, but a few good features made it in last minute, including Secure SIP, improved logging and a feature to allow extension users to dial in and make outbound calls.
Check out the 3CX Blog for the change log & announcement
You can download 3CX Phone System for Windows Beta from here.
Looking forward to your feedback! Please use the special beta forums here