1: Sign up for a Iridium Corporation account to receive your merchant id and password.
2: Log into your Iridium Corporation account.
3: Make sure the hash method for your pre-share key is set to SHA1.
4: Enter applicable details in your Maian Cart admin area:
Catalogue > Payment Methods > Iridium Corporation
The callback url for all operations is:
http://www.example.com/checkout/iridium.php
https://www.example.com/checkout/iridium.php (SSL)
Where 'example.com' is your own domain.
Contact Iridium Corporation for a test account.