I applied online. The process took 2 weeks. I interviewed at Cbeyond (Atlanta, GA)
Interview
Very normal - Submit online app, received a call back, phone interview, 2 technical interviews background check. Took a couple of weeks to get back to me but the experience was very stream line. I did not find it difficult.
Interview questions [1]
Question 1
Knowing Call tracing, Signaling for all phone types