If you want to buy Airtime on T-Cash,follow these steps:
Go to T- kash Menu and select “Buy Airtime”
Select your preferred option.
My phone (Your Telkom Line).
Other Phone (Another Telkom Line).
Enter Amount.
Enter T- kash PIN.
Confirm.
If successful, you will receive an SMS from T- kash confirming the transaction and another from the network confirming that log book