Do not utilize com channels of any sort, including coded ones.

Apparently they meant to give them a com channel we couldn't jam, but it didn't work out too well.

He could hear Crane's harsh breathing over the open com channel.

Traffic control demands a response, but the com channels remain silent.

The boys walked back to join their father, who was conversing over the com channel with a distant party.

Before he could respond, Fisher answered for him through the com channel.

He kept the com channel open, and leaned forward again.

He watched as she opened a com channel at one of the vacant stations.

This one's going out on all the com channels, now.

"You know, we might as well go open all the com channels and find out what's going on."