I applied through other source. I interviewed at AT&T in Nov 2013
Interview
Peer and supervisor interviews. 1 on 1 and panel interviews. Pretty relaxed and informal. I was progressing from one AT&T position to another, so knew all the stakeholders.
The process was efficient and timely. Interview was standard. nothing tricky or creative. The job was accurately described.
I was asked to interview and the interview was completed within two weeks on a single day.
I had most of my communication with the actual hiring manager.
Interview questions [1]
Question 1
They asked for a detailed plan to improve a product.