He hit an intercom button, and his voice came clear enough to hear the irritation in it.

She picked up a telephone and hit the intercom button.

He reached for the intercom button and pressed it down.

He watched his hand reach out to the intercom button.

He went over to the intercom button in the cabin and hit it.

She rose and went into the living room to press the intercom button.

She turned to her desk and pressed the intercom button.

He reached for the intercom button to call - who was it?

She crossed to the phone and hit the intercom button.

He pressed the intercom button, but there was no response.