Access Gateway

The Access Gateway provides an access interface between multiple types of line side services and devices and the packet network. Examples of these services and devices are Plain Old Telephone Service (POTS) telephones, Basic Rate Interface (BRI) sets, Coin telephones, as well as some Digital Subscriber Line (DSL) and private lines/special services on 2 and 4 wire DS0, DS1 interfaces, etc. The Access Gateway may also support an interface for line based GR-303/TR-08 remote terminals. The Access Gateway may also provide functions such as audible ringing, power ringing, miscellaneous tones, etc. The Access Gateway may be connected to the network via various bit-rate and physical layer interfaces, and may be installed in controlled or outdoor environments. A Call Agent provides the specific call control, call processing and other management functions for the services and devices terminated on the Access Gateway.