His line has been ringing in my head for weeks now.

The line rang for a couple times, and a soft voice on the other end answered.

The line rang twice, three times, and then a recording came on.

I was trying to decide what to do when the second line rang.

He had just taken up the whisk when his private line rang.

The private line on her desk rang, and she picked it up.

The line rang seven times before someone finally picked up.

His lines had been ringing in my mind every time I came to paint.

The President had hardly said he would write it himself when the hot line rang.

But, they add, the lines aren't always ringing with trouble.