Programming Interviews

My Skype interview on Monday will have a short coding question. Phone programming interviews are hard - the interviewer can neither see my body language (Is she struggling with the problem? Is she thinking intently?) nor the work that I’m doing on a piece of paper/whiteboard. So it’s important to keep the conversation flowing even as I’m mentally solving the problem in the background. I’m planning to keep this advice is mind - The Programming Interview: Keep Talking

To practice the “keep talking” tactic, I’m solving some of the problems from App Academy’s mini-curriculum. [And will probably move on to TestFirst.org later]. 

What are your tips for a successful phone programming interview?