If you're using a mobile phone, your call may be (weakly) encrypted between your handset and the cell phone towers.
Bí o bá ń lo ẹ̀rọ-ìbánisọ̀rọ̀ọ alágbèéká, ẹ̀rọ-ìléwọ́ àti òpó agbáfẹ́fẹ́-ọ̀rọ̀-ká lè máa lágbára tó lórí ìpèè rẹ.