(こえ)をかける

こえをかける
expression
to call out to someone; to speak to; to invite along
communication
1. to call out to someone; to speak to someone first
To address someone who was not already talking with you — to get their attention, greet them, or offer help. The person is marked with に.
I spoke to someone who seemed to be in trouble.
I was startled when a stranger suddenly spoke to me.
They looked lost, so I worked up the nerve to call out to them.
2. to invite along; to let someone know about an occasion
To ask someone to join an outing, a project, or a team. Common in 今度(こんど)(こえ)をかけてね, 'let me know next time.'
Give me a shout next time you go out drinking.
I asked several people, but none of them were free.
In starting the new project, I approached a colleague with experience about joining.

Structure: (こえ) (voice) + + かける (to cast, to apply).

Common patterns

Usage

Sense 2 is a soft way to ask to be included — (こえ)をかけて leaves the other person free to decide, unlike a direct (さそ)って. In disaster-preparedness and workplace-safety contexts, (こえ)かけ is a set term for checking on the people around you.