Call an unknown phone number and ask

Bashir hai kya?

She will say " No wrong number".

Again call after five min "Bashir hai kya ?"

She will be reasonably annoyed "no this is wrong number".

Again call "Bashir aa gaya kya"?

She will say "aap ka dimaagh kharaaab hai kya? kyon peechay padday ho?

Again call after five min " Bashir ko phone dena."

She will cry with all gaaleees.

You just drop the phone. and Call after another five min "Main Bashir bol raha hoon,

Mera koi phone to nahi aya