Grameenphone has End of Call Notification Service.
                                                 
 
After any outgoing call end you will get following info at FREE of Cost
To Activate: Dial *111*8*5# free
To Dectivate: Dial *111*8*6# free
 
 After any outgoing call end you will get following info at FREE of Cost
- Last Call Duration
- Cost
- Remaining Balance
- Offer
To Activate: Dial *111*8*5# free
To Dectivate: Dial *111*8*6# free