Idea free sms tricks advanced for 2014

Now a days SMS center numbers are almost not working.
But still there is tricks to sent free sms to idea-idea and idea
to other network .
Just try this trick :-
1 Make your account to 0
2 Sent an sms to any number with amount 0
3 you will get an error message as “Check operator service”.
4 Now recharge your account with rs 15 (20 rupees recharge
card).
5 Now set your message center number to +91xxxxxxxxxx
(xxxxxxxxxx any 10 numbers)
6 Don’t use any message center numbers there ( you may use
your own phone number)
7 Now try sent a local SMS ( If not working you will not loss
much money if sent a local sms)
8 If working you can continue using this trick
That's it