 
<translate> Oku na-aga na ozi olu mgbe a na-azaghị ya. A pụghị ịza oku mgbe agbanyụrụ ekwentị. Ozi olu na-agụnye ozi ndị e dekọrọ edekọ. Ya mere, azịza ya bụ ozi olu. <eng> Call goes to voice mail when it is not answered. A call cannot be answered when the phone is switched off. Voice mail contains recorded messages.
So, the answer is voice mail. 