How to top up Orange Credit/Airtime using Mpesa.

On your Safaricom application
Choose Mpesa
Click on lipa na Mpesa
Select paybill
Enter business number as 220220
Enter account number. use your Orange number as your account numberand enter amount you want to buy.
Enter your Mpesa pin and confirm

You will then receive two confirmation messages one from mpesa confirming mpesa payment to pesapal and the other message on the orange line from e-jaza confirming successful recharge.