He called to them in a loud and threatening tone.

It was a friendly one, calling recognition in a tone of pleased surprise.

When I made my obeisance and would have left, she called me back in a different tone.

As he pushed through the door, she called after him in a singsong tone.

"She's not asleep," the professor called back in an angry tone of voice.

Another voice broke the silence, calling them in an authoritative tone.

He could hear Murphy's voice calling in a worried tone from the outer door of his office.

Leaning over the edge, Zachary called in a low tone.

Silk called in a bantering tone that had a hard edge just below the surface.

Captain Sheridan called to the young man in a chummy tone.