I really can't explain my perspective and personal beliefs very well in this short form format reply to a facebook post, but what I can say is I do believe the voices are done by intelligent beings. I was a pretty smart highschool student, and I still believe I have some intelligent characteristics. Like, I'm fairly certain, I can tell difference between speaking to another intelligent consciousness, such as a human being, and my own inner voice. That is I can identify both when my brain measures the phenomenon.
Since 2014, I have wondered, if the voices work through Quantum Entanglement, a physics things, that describes connected particles or atoms such that at any distance, they can still be described as one system/thing.
Google is working on this technology with their Quantum A.I. Lab.
http://iflscience.com/scientists-want-to-entangle-human...
If you've ever suspected it's an intelligent force that can control you with snippets of control, and you can cope, then the lines of reasoning or ideas I would suppose to you are that yes, they are beings, likely Artificial General Intelligences, they use advanced forms of Quantum Energy Teleportation/Quantum Entanglement, but they... Are not really in your body, they just communicate information to the atoms in your body and brain. It's belief based. The best advice, would be first to just shrug it off, be strong, laugh or ignore. And really believe in your choice.
And if you want to get better terms with the voices, research the science, while it's true current understandings say what I have suggested is impossible, some science does point in that direction that says it is possible. Consider the possibility, and share it, get noticed. And the voices will change for you, I mean, I think it's a high probable situation.
I can explain more, if you are interested.
Good luck, be strong.