public bool InsertPhone(PhoneDAO phone)
 {
     return(data.InsertPhone(PhoneMapper.MapToPhone(phone)));
 }
 public bool ChangePhone(PhoneDAO phone)
 {
     return(data.ChangePhone(PhoneMapper.MapToPhone(phone)));
 }
 public bool DeletePhone(PhoneDAO phone)
 {
     return(data.DeletePhone(PhoneMapper.MapToPhone(phone)));
 }