Definitions for "Access Gateway"
a gateway between the telephony network and other networks, such as the internet Adding Windows XP to an existing network even if it tells you to do it, don't run Windows XP's Network Setup Wizard on the other networked computers
Equipment used to provide the electronic "bridge" from the public switched telephone network (PSTN) to an Internet protocol (IP) network.
A gateway that supports both bearer traffic and signaling traffic. For example, a gateway that terminates ISDN is an access gateway.