Packet-Switching is digital transmission that can handle both voice and data. Here’s all you really need to know—in packet switching, the voice and data transmissions are broken up into packets, then reassembled by hardware prior to arriving at its final destination. Pretend you’ve ordered a swing set for your kids, but the swings, ladder and slide come in different packages and arrive at your doorstep at different times. You unbox all and assemble them to ultimately build the swing set. It’s the same for packet-switching. Voice and data are broken up into packets, then re-assembled in the correct order by the destination computer. It makes voice and data services more affordable and easier to use than traditional circuit-switching. Don’t worry, we’ll get to circuit-switching.