IIS-OTP INTERNAL DATABASE
As a descendent of
TCP Data's free Radius authentication server. IIS-OTP has an internal
high speed lookup database to holds username/SMD-address data.
It uses a high capacity, high-speed Hash Based lookup.
It is capable of holding and providing rapid access to 10's of thousands of user
records. The database is stored
on disk as an easy to maintain ASCII text in standard 'flat file' format.
Cell Phone SMS Routing
In order to deliver SMS
messages tot he user's cell phone. IIS-OTP must acces the carrier's internet
SMTPgateway Tthis is easily done by accessing any standard SMTP server.
All major carriers maintain such a gateway. they accept delivery of email
from any standard email accounts of the type provided by Dailup Internet
service providors. This is how Microsoft Outlook sends email. The delivery
sequence is shown in the following diagram:


IIS-OTP Admin Client
SMS Email Address Entry
SMS Email Address Entry is an integral Part of the System. Every user must one. It can be entered interactively using IIS-OTP's built in asp pages of entered by the admin using the admin client.
The asp screen that is central to sms email entry is tightly coupled with the ISAPI Filter component of IIS-OTP. The user can send any number of test emails until the correct one is found, the user than clicks the 'Save' button and the system saves the address, associated with the username, in the IIS-OTP database.
Shown below it the address entry asp page shown trying a 'trial' address and saving the address into the database.

Address Entry Trial Address Message Sent

Address Saved to Database
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