It simply means , now , with the help of  a  5G USB Dongle , we can use our  PC/Desktop to make phone calls and reply/answer  phone calls just like our 5G smartphone while accessing the Internet at 5G speed .  It also means , now , with the help of  a  5G USB Dongle , we can  dial a phone number on the  PC/Desktop Touchscreen(24 inches , 27 inches , 32 inches or bigger)  just like what we do on our 5G smartphone , so much so that we can use that  PC/Desktop   to make phone calls to someone or to anyone or to a  landline telephone  using   his/her   phone number  and we can also use that  PC/Desktop  to   answer/reply phone calls  from someone or  from  anyone or from a   landline telephone , directly on that   PC/Desktop   ,  just like we do on our  5G smartphone .