This implies that I am eager and ready to start. When you have narrowed down your list, send an e-mail reply asking for the teacher's work phone number, and best times to call. If he or she replies, then give the person high marks. However, the follow-up on your part is even more critical. Actually make the call.
Nothing works better.
Ask your possible partner about their expectations of the collaboration. Discuss the type of equipment the two of you are using. If you are not familiar with some or all of the technology mentioned, do not worry. You do not need any of it to have a successful collaboration. While you have them on the phone, you may want to set some basic goals.