Telephonic communication between the two cities requires international calling.

In either case, the time, expertise and sustained communication required to make this system work place heavy demands on staff who normally have other priorities.

Horizontal communication may require contact with people in units that are well removed from our own.

Real communication requires presence- the chance to look one's foe in the eye.

Of course, written communication requires a literate population.

Achieving effective communication often requires that towns provide auxiliary aids and services.

It is in this area that our communications facilities will require to be strengthened and developed within the next five years.

It also needs to be considered that upload links and downstream communication can require a difference amount of space.

This communication properly required an answer, which might have been made in writing within the compass of ten lines.

Since communication with them may require mindmeld, logic dictates that I make the attempt.