claim: Telephone contains a sampled voice of an operator.
evidence: John Butterfield may refer to  :. John Butterfield , Baron Butterfield -LRB- 1920 -- 2000 -RRB- , British medical researcher. John Warren Butterfield -LRB- 1801 -- 1869 -RRB- , US stagecoach operator. John Warren Butterfield. John Warren Butterfield. Jock Butterfield -LRB- full name John Rutherford Butterfield -RRB- , New Zealand rugby league footballer of the 1950s and 60s. Jock Butterfield. Jock Butterfield