Example at work: Calling from the office
to someone who is a POTS subscriber
Long Description: Photo of a person using a VoIP phone, or "soft phone" or analog phone plugged into adapter. Next is an image of the information being changed to 0's and 1's and carried along the "information highway". Next the information passes through a gateway. Next the information is passed to a PSTN, short for Public Switched Telephone Network, which refers to the international telephone system based on copper wires carrying analog voice data. the call then reaches the intended party.