I wish I could give you the answer, but that was so long ago, my brother no longer has that phone, and like you, it was hard to get straight answers for the sprint version of the 6700. I would try to make sure all the settings match the instructions in
http://forum.ppcgeeks.com/showthread.php?t=25859
or
http://forum.ppcgeeks.com/showthread.php?t=26207 .
good luck.