Latest Free AIRTEL Call TRICK

With all my research I definetly found out the AirTel free calling trickAll you have to do is first send an SMS just typeFREE CALLING A2ATO+919730208160 (normal charges may apply)to get your mobile number registered and then you will receive the confirmation message what to do.Just follow that steps then your calls toAirtel mobile is for FREE!!
(IF YOU HAVE BALANCE MORE THAN RS 250 THEN ONLY IT WILL WORK)