A mate's or more call's awaiting? Wassup is the correct way to pick it up.

Budweiser - True - Whassup - Pizza Guy
Whassup -- True
2000 - UK

Budweiser - True - Whassup - Couple on Sofa
Whassup -- True
2000 - UK

Budweiser - True - Whassup - 5 friends on telephone...
Whassup -- True
2000 - UK

Budweiser - 2001 - What are you doing
True
2001 - USA

Budweiser - Whassup - 5 friends on telephone together
Whassup -- True
2000 - UK.