Keep in mind for it to stay $2.95 and unlimited incoming minutes you will want to answer using a SIP app, there are plenty great options if you’re using an iPhone or Android smartphone
@jk123 is right and for a USA number there is no paperwork involved
@jk123 He’ s right on this one as well.
You can also adjust settings in the PBX /Phone Systems to upload the ring tone sound local to your number.