I have a small group, but we instituted a rule that our project manager would handle all customer communications. This was a win in many ways. Our dev team woul

I have a small group, but we instituted a rule that our project manager would handle all customer communications. This was a win in many ways. Our dev team would not be interrupted except for very serious problems, and it actually made our customers feel better when he would tell them he's communicating with the "dev team."