The combination of narrowband applications with broadband transport may be enabled with a communications architecture, in which one or more Media Gateways (MGs) that include broadband switching fabric are controlled by a Media Gateway Controller (MGC) that includes switching intelligence and narrowband...http://www.google.com.au/patents/US20030053463?utm_source=gb-gplus-sharePatent US20030053463 - Combining narrowband applications with broadband transport
