To turn off or on mobile internet access outside the home network.
Disable / enable data roaming
Become unclear and difficult to understand
Break up
Phone somebody again later
Call somebody back\ Get back to somebody
To dial a number and talk to someone on the phone.
Make a call
Establish contact
Get through (to someone)
To use the phone’s speaker so that multiple people can hear.
Put a call / somebody on loudspeaker
To check recorded messages left by callers.
Listen to your voicemail
To restore battery power by connecting the phone to a charger.
Recharge your phone
Turn something off
Switch something off
To use up all the available prepaid money on a phone.
Run out of credit
Talk more loudly
Speak up
To record or send a message when the person is unavailable.
Leave a message
To add money to a prepaid phone account.
Top up your mobile
End a phone call
Hang up
Answer a call
Pick up the phone
Have no more of something; finish something
Run out of something
To store a new phone number in the device’s contact list.
Save / add a number to the contacts list
To experience a loss of connection while using a mobile phone.
Lose the signal
Stop or interrupt somebody's phone conversation
Cut somebody off
To type a phone number into a device.
Enter a number
To mute notifications and sounds on a mobile device.
Put the phone on silent