Free SMS working in DOCOMO

After many days it is now possible to send free sms in DOCOMO.

JUST Sms 'JOIN' Send to 121
you recieve confirmation
message and then Sms 'QUIT'
Send to 121 you recieve
confirmation message .
Now check your balance Sms
'BAL' Send to 121 you see your
local/national balance is 50
validity 1weak.