Why can't you use teamspeak? It's heavily used in clan matches and is a must for a dFb member to have. If you can't use teamspeak then there really is no way for others to get to know you or communicate in a clan match. If others in the clan can't get to know you then there really is no way that you can join.
We don't care much on how much skill you have only that you get along with others here.
Teamspeak is how we get to know one another.
Get it, use it, or there may not be a posibility of you joining.
Joining is always up to a majority vote. If no one knows you then your not going to get a positive vote.