Filed from 6 published puzzles

ONEMOMENTPLEASE

Set to 6 different clues across 6 published puzzles, most often "Hold on" — The New York Times, Friday, 7 August 2009.

15 letters

Every clue on record, most used first

"Hold on"once
The New York Times — Friday, 7 August 2009
Old company telephone lineonce
The New York Times — Saturday, 23 May 2009
Operator's lineonce
The New York Times — Saturday, 28 March 2009
Telephone lineonce
The New York Times — Saturday, 11 June 2005
Line of businessonce
The New York Times — Friday, 11 February 2005
Phone line?once
The New York Times — Friday, 10 January 2003

Other answers to these clues

ASEC4 letters
HELLO5 letters
HOLDON6 letters
ILLHAVETOPUTYOUONHOLD21 letters
JUSTASEC8 letters
NOTYET6 letters
NOWAIT6 letters
ONEMINUTE9 letters
ONESEC6 letters
PLEASEHOLD10 letters
PUTA4 letters
WAIT4 letters