Dialing a phone number on a 15.6 inches  "Touchscreen"   "360 degrees foldable"     5G Cellular Laptop  which have been folded into a Tablet(it automatically become a   15.6 inches    " Touchscreen "   5G  Cellular  Tablet) , just like a 5G smartphone. Meaning , making a telephone call to a landline telephone or replying a telephone call from a landline telephone  are made directly from a  5G Cellular Laptop either in LAPTOP MODE or  in  TABLET MODE

Picture above is just for illustrative purposes only .  Dialing a phone number on a 15.6 inches  "Touchscreen"   "360 degrees foldable"     5G  Cellular  Laptop in  LAPTOP  MODE

Picture above is for illustrative purposes only .   Dialing a phone number on a 15.6 inches  "Touchscreen"   "360 degrees foldable"     5G  Cellular  Laptop in  LAPTOP  MODE