61200305L1-1 ATLAS 550 User Manual 11-1Chapter 11 Dial PlanOVERVIEWThis chapter provides information on the D IAL P LAN, including discussionson interface configurations for the following modules:• Dual T1/PRI (network and user terminations, for PRI and RBS)• Dual Nx 56/64 (user termination)• Quad BRI/U (network and user terminations)In addition, a section is included on using the D IAL P LAN with Frame Relay(see Connecting Packet Endpoints in Frame Relay on page 11-28).The D IAL PLAN submenus (see Figure 11-1) set global ATLAS 550 switchparameters as well as individual parameters for each ATLAS 550 port han-dling a switched call. The individual ports are separated into two porttypes: network and user. Network ports terminate a connection from theNetwork. User ports terminate incoming calls and, in turn may be con-nected to user equipment. Network Term on page 11-3 and User Term on page11-6 provide clarification for these two port types. (See also Figure 11-2 onpage 11-2 for the menu structure.)Figure 11-1. Dial Plan MenuIn the following sections, INCOMING C ALLS refers to calls coming toATLAS 550 from the Network (PSTN) and O UTGOING C ALLSrefers to calls directed toward the Network (PSTN).
