I had two phone interviews. One with HR then a few days later they emailed me asking to schedule a phone interview with the department manager. I thought both interviews went well and both managers responded during the interview as if the were impressed with my responses and my experience but after the interview with the department manager I never heard anything else. I tried to reach out to them for an update but got no response. I just think it's unprofessional to treat an applicant like you're impressed with them then ignore them. If you're not actually impressed then at least be neutral in your response to the applicant.