What are they doing?
They're talking face to face
What is he doing?
He's sending a text message / He's texting
What is she doing?
She's writing an email
'What is the person doing?
He / She is sending a letter
What are they doing?
They are speaking on their mobile phones
'What is he doing?
He's speaking on his landline
What are they doing?
They're videochatting
What are they doing?
They're using social media
What is he doing?
He's dialing a number
What is she doing?
She's leaving a voice message
What is happening?
The phone is ringing
What do you need to do?
You call back later
What is happening?
They are topping up the phone
What are they doing?
They're charging their phone
What is happening?
They have bad reception / They don't have reception / They have no reception / There's no reception
