Introduction

This section summarizes options for configuring the lawful intercept feature. It describes how the Oracle Communications Session Border Controller interoperates with mediation equipment from vendors who build lawful intercept equipment.

LI/CALEA consists of the interception of call content and/or the interception of call-identifying information. It requires that call information and media streams be sent to one or more law enforcement agencies in accordance with warrants for lawful interception.

You can configure your Oracle Communications Session Border Controller to support LI/CALEA functionality, enabling the Oracle Communications Session Border Controller to play a role in your Lawful Interception solution. Acting as an intercept access point (IAP), the Oracle Communications Session Border Controller can provide call data and can replicate media when signaling and media are anchored at the Oracle Communications Session Border Controller.

The Oracle Communications Session Border Controller supports LI/CALEA functionality that:

  • Ensures unobtrusive intercept by hiding the network-based intercept of call information and content through topology hiding and media relay or NAT
  • Intercepts and forwards call information and call content
  • Interfaces with the mediation equipment [service provider administrative function (SPAF) and delivery function (DF)] for legal intercept

The following diagram provides one example of the Oracle Communications Session Border Controller deployed as part of a service provider's lawful intercept solution.

Lawful intercept architecture