Rent Listen (1996)

Sarah (Brooke Langton) is a successful San Francisco advertising executive enjoying her independence and life in the big city. Her new buy friend Jake (Gordon Currie), convinces her to move in to the same apartment building. When activating her mobile phone in her new apartment, she discovers that she has a one way connection into peoples private calls. Soon she becomes addicted to the allure of listening to other peoples most intimate conversations. Sharing her secret with her best friend Krista (Sarah Buxton), the two women continue to surf the airwaves. Both frightened and excited about what they listen to, Sarah and Krista are drawn unwittingly into a sinister and deadly turn of events.