How to activate/start bsnl hello tunes,caller tunes,dialer tunes

VIA SMS : 



   Activation  :  sms  BT ACT send to 56700


   Deactivation : sms  BT DACT send to 56700


   Song selection by code :  sms  BT song code to 56700


   M Search : sms  Song Name to 56799.


VIA CALL : 



   Activation : Dial 56700 and activate.


   Deactivation : Dial 56700 and choose Manage Your Account.


   Song Selection : Choose latest songs from Various Categories.


   M Search : Dial 56799 – choose your favorite songs.