The communication stopped.
The transmission ceased.
The communication was cut off.
The transmission was terminated.
The communication ended.
The transmission was interrupted.
The communication was disrupted.
The transmission was halted.
The communication was cut.
The transmission was disconnected.
The communication was lost.
The transmission was broken.
The communication was silenced.
The transmission was stopped.
The communication was shut off.
The transmission was blocked.
The communication was terminated.
The transmission was cut off.
The communication was disconnected.
The transmission was ended.