A lot of us do, others don´t .
Make phone dudels, while waiting or listening in the phone.
This is one of my old style dudels
Riiiiiiiiing Riiiiiinnnnnng -
This is one of my "new style" phone dudels
And a little color to spice it up - when bla bla bla blaaaaaaaaa bla bla...
All right! - see you later.....