About Friday and I've sent messages to you over the phone, but I see that you have not yet answered, I send a text via E-mail because it does not ensure that potential failure through communication by telephone.
About Friday I sent a message to your phone. But you have not answered. I sent a message to E-mail is not sure what may have caused disruption of communication by telephone.
About last Friday I send a message to you on the phone. But that you don't answer, I will send a message to the E-mail because not sure may failure in communication by telephone.