Parameter Nilai Snr 36db Nnr 33db Pengurangan bunyi 36db ~ 45db membatalkan …
Name can't be empty
Email can't be empty
Phone can't be empty
Company can't be empty
Message can't be empty
emailCannotEmpty
passwordCannotEmpty
Ralat format e-mel
emailDoesExist
pwdLetterLimtTip
inconsistentPwd
emailDoesNotExist