This concludes the key point that the communication system must present nonrepudiation between communicating parties.
Here, in Canada, the communication system also broke down.
The other embeds the communication system in the car itself.
"But I still don't know what went wrong with the communication system," Payton said.
In the top flight, you talk directly to your fourth official via the communication system.
Both of these devices improved the efficiency of the communication system.
Pennington got his first test in practice today, when the communication system linking the quarterbacks and the sideline failed.
With the devastation of the communication system, we have no idea how invidious, how macabre the situation will be".
The N.F.L. had discussed giving the communication system to defenses in previous years, but in 2006, the measure fell two votes short of approval.
There was a "bottleneck" of police officers who were getting in the way of victims being rescued, and the communication system had failed.
The communication system was down – nobody had got me on my portable phone – so I went to Bradford Royal Infirmary to see what had happened.
