I envy phoner-inners because they do the absolute minimum with minimal energy and just walk off the stage.
From the ocregister.com
McCain was an inveterate cell-phoner.
From the newsweek.com
When the connection gets made, the president says all the right things to the pro-life crowd, but you'd think by now the phoner would seem a bit phony.
From the philly.com
The private phoner was prompted by work the congressman did for Jolie as she gathered information and sought interviews here with the Bosnian press and others.
From the stltoday.com
More examples
Caller: the person initiating a telephone call; "there were so many callers that he finally disconnected the telephone"
An interview, as on a radio program, conducted via telephone.