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Configuring ISG Support for Prepaid Billing
First Published: March 20, 2006
Last Updated: November 25, 2009
Intelligent Services Gateway (ISG) is a Cisco IOS software feature set that provides a structured
framework in which edge devices can deliver flexible and scalable services to subscribers. ISG prepaid
billing support allows an ISG to check a subscriber's available credit to determine whether to allow the
subscriber access to a service and how long the access can last. ISG prepaid billing works on a repeated
reauthorization model in which fragments of credit, called quotas, are allotted by a prepaid billing server.
This model allows a subscriber to be connected to multiple simultaneous prepaid services, each with a
different billing rate. ISG supports time- and volume-based prepaid billing.
This module provides information about how to configure ISG support for prepaid billing.
Finding Feature Information
For the latest feature information and caveats, see the release notes for your platform and software
release. To find information about the features documented in this module, and to see a list of the releases in
which each feature is supported, see the “Feature Information for ISG Support for Prepaid Billing” section
on page 19.
Use Cisco Feature Navigator to find information about platform support and Cisco IOS XE software
image support. To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn. An account on
Cisco.com is not required.
Contents
• Prerequisites for ISG Prepaid Billing Support, page 2
• Restrictions for ISG Prepaid Billing Support, page 2
• Information About ISG Prepaid Billing Support, page 2
• How to Configure ISG Support for Prepaid Billing, page 4
• Configuration Examples for ISG Prepaid Billing Support, page 17
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