Chapter 4 Single-Site Off-Net Calling
This chapter reviews the configuration of Media Gateway Control Protocol (MGCP) gateways and dial plans for the support of off-net calling.
This section reviews MGCP gateways and how they provide public switched telephone network (PSTN) access for the Cisco Unified Communications Manager (CM).
The endpoint identifier is a two-part identifier. A local name and the domain name separated by the at (@) sign. If there is a hierarchy in the local name, a forward slash (/) is used in the name. Figure 4-1 shows the use of the identifiers.