Check voice use of Robi connection for current month
|Pic1: USSD code for Voice Usages|
To know your voice usage just dial *444*71#. You can know only current month voice usages.
|Pic2: USSD Dialing|
|Pic3: Total voice usages of current month|
You can know maximum 31 days voice usage, you can't know any other usage without voice usages.