- I'll be home at 6:00 sharp. If you need anything, call.
- Ringy-dingy.

8 seconds sound clip from the Ferris Bueller's Day Off movie soundboard.

You can hear this line at 00:02:48 in the Blu-ray version of the movie.

Quote context

[...]

- Now, listen, I'm showing some houses to that, that family from Vermont today. So I'll be in the area.

- Now, my office will know just where I am if you need me, okay?

- I'll check on you too, pal.

- It's nice to know that I have such loving, caring parents. You're both very special people.

- Now, you get better, pumpkin.

- Okay, pumpkin.

- I'll be home at 6:00 sharp. If you need anything, call.

- Ringy-dingy.

- We love you, sweetie.

- I love you, too.

- Call if you need us.

- They bought it.

- Incredible. One of the worst performances of my career, and they never doubted it for a second.

- How could I possibly be expected to handle school on a day like this?

[...]