By uploading a contact list of names, and telephone numbers, you would be able to designate individuals, or groups of individuals to right to a number on your account. You can also select times, and days. This can get pretty complex, but also very powerful. Let’s assume that you have a regular cellular number, a Second Line, and a VOIP line. You might make a Business group to your Second Line Monday – Friday from 9AM-5PM. Any other time they go to voicemail. Therefore if that business caller calls on a Saturday at 2PM, they will go to voicemail. You can then make friends call you on your cellular number, and family call both your cellular and VOIP line. There are many other options, and this would be set up in your control panel. To prevent bad actors from abusing the system, you can only use Smart Forwarding to ring with phone numbers in your account. If you need to, you can acquire an incoming number, but time restrictions are set by the group, and not by the number.