There may be many tricks for sending free unlimited sms from many connections such as Airtel, Idea, Vodafone etc. But you may not have seen such for BSNL connection. Here are the list of Working message center numbers that can be used to send unlimited free sms from BSNL Mobiles.
To send the free sms all you have to do is to set this message number as default.
Here is the message center number.+ 919440099997Here are some more.
+ 919441099998+ 919417799997
+ 919442099997+ 919442099998.
These BSNL Cellone message center numbers will also provide delivery reports for free.
[Updated]You can also try +919417(0 to 9)99997 It depends on the mobile handset you use.
[Update] This trick is not working any more..bsnl has blocked the numbers.. If found we’ll update you with new bsnl numbers…