Wiktionary
rung off
vb. (past participle of ring off English)
Usage examples of "rung off".
Finally, not long after Gran had rung off, he leaned back in the chair, blinked, and turned to me.
Just when Renie thought the woman had rung off, as silently as the first time, her voice came again.
He would have got into Signals the moment we'd rung off last night.
Presently, when they were secure and Ericson, up on the bridge, had rung off the engines, he turned to Lockhart.
As soon as she'd rung off, she pushed Bill out of bed and he turned up at the Circus an hour later knowing that there had been a shooting in Czecho.