What is the second step that occurs when placing a call on a cellular network?

Multiple Choice

Once the call is received by the nearest tower it is a network of cell towers and converted and then received by the phone being called.

Your voice is converted by your phone to an electrical signal that is transmitted via radio waves to the nearest cell tower.

Placing the call.

When the person being called speaks, their voice is converted to an electrical signal that is sent back through the network.