How To Activate or Deactivate Grameenphone Missed Call Alert Service

You can easily activate Grameenphone Missed call alert service by one of two simple ways.
By SMS: Write START<space>MCA and Send to Message to 6222;
By USSD: Dial *111*2*4*1#

You can easily Deactivate Grameenphone Missed call alert by one of two simple ways.
By SMS: Write STOP<space>MCA and Send to Message to 6222;
By USSD: Dial *111*2*4*2#