Mr Repiquet described the inquiry as "suspicion abusively cast on Christine Lagarde by a handful of opposition members of parliament for political ends".
Even if two operators are using the same script, she says, some callers may respond differently (or even abusively) depending on the operator's gender or accent.
In the south of the country on 18 March, a mob of hundreds including monks surrounded a pastor's house, set fire to tyres outside and shouted abusively to those inside.
The American, son of co-owner Tom Hicks, became embroiled in controversy when it emerged he had responded abusively when one supporter contacted him directly about the state of the Premier League club and their finances.
However, when a woman who had been arrested inside the club and handcuffed began yelling that she had been hit in the head with a billy club, only to be abusively tossed into a police wagon, the crowd turned angry.