You can top up your Ortel German prepaid account either by purchasing top up vouchers from shops in Germany or online from anywhere in the world.
Buying top up vouchers in Germany
You can by top up vouchers for Ortel at over 20,000 petrol stations, newsagents and supermarkets throughout Germany.
Once you have your top up voucher, you can either dial 1155 and follow the instructions or enter *104*[16-digit code from voucher]#
See http://www.ortelmobile.de/en-gb/faq/top-up/?scrollto=item3 for more information.
Vouchers for e-Plus mobile phones will also work in an Ortel mobile.
Topping up your Ortel German mobile online
You can also top up your prepaid account online at ding.com and prelado.de.
The easiest option is to top up online at ding.com. When topping up with ding.com you will need to choose e-plus as your mobile network. This website accepts Australian credit cards.
You can also top up online at prelado.de. When topping up at prelado.de you can only use an Australian credit card if you choose PayPal as your payment option.