A Quebec Court judge on Tuesday refused to grant a nine-month suspended sentence to a woman who called 911 more than 10,000 times in a 15-month period in Montreal.

Quebec Judge Serge Boisvert declined the joint sentence recommendation for Marie-Ève Dean, saying she would likely do it again if she didn't get therapy.

Dean, 23, was charged with mischief, conspiracy and not complying with an undertaking for placing thousands of calls to the emergency services line.

Between January 2006 and April 2007, Dean and an accomplice overwhelmed 911 operators and some days clogged the system so real emergency calls couldn't get through, the court was told.

Dean pleaded guilty to the charges.

She returns to Montreal court on Dec. 17 to determine her sentence.

A court-ordered report submitted in Dean's case described her as "vengeful, aggressive and immature" and a person who hates the police.

Both the Crown and defence lawyers described Dean as "very troubled" and recommended a nine-month sentence to be served in the community.

Boisvert rejected that recommendation, saying she is at high risk to reoffend, and needs therapy.

Dean, who is 2½ months pregnant, swore at reporters and flashed her middle finger to the press corps gathered in the hallway.

With files from the Canadian Press