Its a Case Study in Probability Theory
Yes, you need to study queueing theory, statistical
distributions and stochastic processes before you venture
out to call.
Just goes on to show what priority a nation has regarding
hard working, educated and well earning professionals. Zero !
Had you been a Paki or a ruffian, hordes of govt offficials
would have negotiated and traded millions of dollars with you !
If you are a doctor, engineer, or scientist from a wimpy
nation like India, no phone calls for you, neither any help.