telephoner

plural telephoners

1. A person who telephones, especially one who does so for a commercial organization.

   After receiving a call in March of 1984, her devoutly Catholic parents followed the telephoner's advice of seeking help, speaking with a priest and two male psychiatrists.

   1985 December 21, Laurie Sherman, “Lesbian Students' Parents Getting Anonymous Calls”, in Gay Community News, volume 13, number 23, page 1

   1 more example

   TO CALLERS AND TELEPHONERS Consequent on the war and the blackout regulations, as an emergency measure to assist the staff in getting home before it is fully dark, our office hours (without a lunch interval), commencing Monday, November 20, and continuing until Saturday, February 10, 1940, will be : Mondays to Fridays - 9 a.m. till 3.15 p.m. Saturdays - - 9 a.m. till 1 p.m.

   1939 December, Railway Magazine, page 404

   Synonyms: caller