The HR transfered the scheduling of interview to an intern, and there were a few miscommunication due to the difference of timezone. However, the interview went fairly smooth with fairly easy personal questions. Be sure to read all the reviews on Glassdoor.com about the questions asked because they are pretty accurate.
Also, make sure that you show enough interest in sales and confidence in talking through the phone since the job is about sales over the phone. Don't think about it if you are looking for a hands-on engineering job.