Jeffrey Epstein in 2005. Joe Schildhorn/Patrick McMullan via Getty Images

Jeffrey Epstein took business calls in the middle of sexual massages from a trafficked woman, a new lawsuit alleges.

The woman alleged that Epstein would sometimes halt a massage when he was "on the verge" of climaxing to make calls.

She said the calls seemed to be with important people and were part of a broader attempt to pressure her into cooperating.

The lawsuit said the woman met Epstein in 2006 and eventually "feared for her safety and felt forced into engaging in these sexual acts against her will."

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The disgraced financier Jeffrey Epstein took business calls while receiving sexual massages from trafficked women, a new lawsuit alleges.

The complaint, filed on Tuesday in the federal court in Manhattan by a woman referred to as "Priscilla Doe," said Epstein would take phone calls with important people during the massages and that he would sometimes stop a massage when he was "on the verge of ejaculating" to make a call.

Epstein would "take or initiate up to four business calls during any particular sexual massage," the lawsuit said, adding that he "would always answer the phone if someone called" during a sexual massage."

The woman did not want to name the people he spoke with "out of fear of retaliation," the lawsuit said.

Read more: New Epstein accusers say he used his alleged madam Ghislaine Maxwell and a 'Massage for Dummies' book to coach girls

In these calls, Epstein "would seem to be advising the individuals he called in a very stern, authoritative voice," the lawsuit said.

Epstein. Rick Friedman/Rick Friedman Photography/Corbis via Getty

The lawsuit alleged that the woman sometimes heard Epstein "using a very angry and threatening tone and voice, making it known to the other party, and to Plaintiff, that he had the ability to cause serious harm to powerful people and anyone who did not cooperate with him."

"The reasonable impression that Plaintiff had from overhearing his phone calls and listening to what he told her was that Jeffrey Epstein controlled very powerful and influential people and that disobeying him would cause serious repercussions for the disobedient party," the lawsuit said.

The lawsuit is one of an increasing number filed against Epstein, who died by suicide in a Manhattan jail on August 10. He was being held on charges of sex trafficking and conspiracy to commit sex trafficking. He had pleaded not guilty to both charges.

An attorney for Epstein did not immediately respond to Business Insider's request for comment about the allegations in the lawsuit.

Epstein and Ghislaine Maxwell in 2005. (Photo by Joe Schildhorn/Patrick McMullan via Getty Images)

The woman also alleged that in 2006 she was given a step-by-step tutorial about how to pleasure Epstein on his Caribbean island, Little St. James, by Ghislaine Maxwell, who has been accused of acting as Epstein's "madam."

The lawsuit said Maxwell made sure there were young women "constantly on call to sexually service" Epstein.

It also alleged that Maxwell's instructions to the woman about servicing Epstein were delivered "in a serious manner that instilled genuine fear in Plaintiff that her failure to comply would cause her serious harm."

Maxwell has previously denied recruiting women for Epstein and has not been charged with any crimes, but she has come under a new spotlight since Epstein's death.

Read more: An actress says Jeffrey Epstein 'could have been stopped' if cops had taken her seriously in 1997 when she reported him for groping her during a modeling call

The lawsuit said the woman was 20 when she met Epstein in 2006, after she met a "recruiter" who said she could have a job "giving massages to a very wealthy man." It said Epstein told her he could advance her dance career "if she would do what he wanted her to do."

Epstein made the massages "more sexual" over time, and eventually he "forced himself" on the woman "and took her virginity against her will and wishes," the lawsuit said.

The lawsuit said that Epstein and his associates took the woman's passport when they were on his island so that she could not leave voluntarily. She "feared for her safety and felt forced into engaging in these sexual acts against her will," it said.

Epstein and his island, Little St. James. AP/Reuters

The lawsuit said that Epstein controlled the woman's life, including what she wore and what food she could eat, while regularly having sex with her from 2006 to 2012.

"At no time did he give her a choice not to cooperate," the lawsuit alleged.

Read more: Epstein died by suicide using his jail bed sheet while his guards slept, according to report

Another lawsuit filed on Tuesday alleged that Epstein gave "Massage for Dummies" books to the young women he had massage him.

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