Sign into your Client Control Panel using your Client Code and Password. Then click on the Mobile tab and click the Top-Up button on your chosen Mobile service. Choose to Top-Up with a Mobile Voucher. Enter you voucher details using your username and password on your till slip. Click Top-Up Service and voilà!
Sign into your Mobile Control Panel, tap on Mobile 3G and then tap on your Mobile 3G account. Then tap on Top Up with Voucher, enter your voucher details using your username and password on your till slip. Tap Check Voucher to check your converted data amount and tap Complete Top-Up.