establish contact

Finally the rest decided that Lablet and Hobart were to try to establish contact with the aliens once more.

Scouts rode out to learn the whereabouts of the Utes and others to establish contact with the approaching militia.

At the time the attempt was made to establish contact with the colonies, one was omitted.

In one way and another—in often very ingenious ways—you were attempting primarily to establish contact with one another.

Strong frantically worked the teleceiver dials to re-establish contact.