CuteHotspot. Wireless Billing Software

Documentation

Pricing
Customers
Tickets (Time Codes)
Pre-Paid and Post-Paid Sessions
Shifts
Point-of-Sale
Inventory
Daily Report

Sales Report
Traffic Calculation and URL Log
Bandwdith Management
White List
Point-of-Sale. Receipt
Options
Reports
Cleanup
Database Workshop

White List

Specify wireless billing exceptions: website names or terminal IP/MAC addresses. For example, you can add your employees' laptops addresses here so that they have free access to the Internet.

It makes sense to specify your network printers IP addresses as well so that wireless billing doesn't stop printing.