He must have called ahead, to make sure she was around.

He moved to the side of the road and called ahead.

He called ahead to ask them and they said no.

He'd be able to call ahead if something went wrong.

"Sometimes they call ahead and ask us what we have available."

I will call ahead and tell him what is needed.

You should call ahead to see that he is open for business.

Call ahead to find out about seeing a cultural performance.

Jack had called ahead and told her to be there.

If your group is larger than eight, it's especially important to call ahead.