I like where these leads are headed, how can you reference to a phone as part of the logo? It is critical that people understand that a phone call is generated. What about a form on left side and phone on right side of logo?
I really like where these are going - especially #45. Is there a way you can remove the icon inside the phone on #45 - I'm not sure if users will understand that the overall icon is a phone. Perhaps there's a way to gray out the form so that it's less prominent compared to the phone. Can you also change the F to lower case. Great work - this one is one of the top contenders.
I like #51 very much - it would be great to get a slightly more rounded phone graphic (like an iPhone) - but the way you've combined a web form with the phone is really cool.