: not prepared ahead of time : made or done without preparation. 1  Two of my friends came by unexpectedly, and we had an impromptu little party in my kitchen. 2  He made an impromptu speech about honor and responsibility.
Go to the existing phone jack and unscrew the cover of the jack with the screwdriver. Locate the four wires and attach each wire to its matching color. Go to the location of the new phone jack. Attach the telephone wire to the terminals inside the phone jack. They are named red, green, yellow, and black.
Find the right jacks on the back of your computer. There should be two jacks that match the colors of the plugs found on your headset. These jacks may also have the microphone and headphone icon underneath them. Plug the microphone chord into the microphone jack and the headphone chord into the headphone jack.