Porting business phone from Comcast Business Voice to Xfinity Residential Mobile

We have been trying to transfer our original business phone number from Comcast Business Voice to Xfinity Residential Mobile. For over six weeks we have spent countless hours and days on the phone with many different Xfinity support staff trying to transfer the number with no success. Hoping to find the right Xfinity support person on this forum to complete the transfer. .