Page 247 of 254Main Office Configuration for SRG200/400 Release 1.5 Configuration Guide252List of termsBranch officeAn SRG that is remote from the main office. The SRG provides telephonyservices using the main office servers (for Normal Mode) or local systemservices when the SRG loses IP communication with the main office (LocalMode).CDPCoordinated Dialing Plan. Under the recommended Coordinated DialingPlan, the Branch User ID can be an extension (for example, 4567). For moreinformation about CDP, see Dialing Plans Reference (NN43001-283).dialing planEach system uses a specific numbering configuration (dialing plan) thatdetermines how calls will be handled over a private or public network.DSPDigital Signal Processing, which refers to manipulating analog information,such as sound or photographs that have been converted into a digital form.DSP also implies the use of a data compression technique.When used as a noun, DSP stands for Digital Signaling Processor, a specialtype of coprocessor designed for performing the mathematics involved inDSP. Most DSPs are programmable, which means that they can be used formanipulating different types of information, including sound, images, andvideo.ESAEmergency Services Access is a feature that places a customer in compliancewith federal legislation that requires the Private 911 type of functionality
