LG VN251 / Call Forwarding / SMS Forwarding????

Hello. I have a work phone that is extremely outdated...its a LG VN251. I know how to set up call forwarding, however I am curious if there is more I can do. Here is what I would like to do if possible:



I would like to set up call forwarding, but I would also like to know if / how I can have SMS text messages forwarded as well.



Basically the goal is to have EVERYTHING forwarded to my personal smart phone.



Part 2 of this: (if possible)



Now, if all that is indeed possible, I would like to know if there is a way to use my smartphone to return calls and texts, BUT on the receiving end I would like it to look like its coming from my LG phone number...



Any ideas?