In re the Claim of Walli

—Appeal from a decision of the Unemployment Insurance Appeal Board, filed March 23, 1999, which, inter alia, ruled that claimant was disqualified from receiving unemployment insurance benefits because her employment was terminated due to misconduct.

Claimant was discharged from her employment as cardiac *846technician after an acrimonious telephone call to her manager complaining about her receipt of a written warning for failure to follow proper call-in procedures. In the course of the conversation, claimant threatened to sue the manager and the employer. Claimant had previously been warned about…