Hello Dans, thank you for replying.

Originally Posted by dans
I'm not sure what you mean connecting a VoIP number, maybe you mean SIP.

I mean connecting a voip number/sip trunk to the system.

Originally Posted by dans
Regarding SIP trunks or phones the system would need licenses. You will need to log into web pro, look for and click on feature activation, this will show what the system is licensed for.
[Linked Image from i.ibb.co]

At this moment I'm working on connecting my dt700's to the system but i'm having a hard time. Tips are very welcome!