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Information Elements

DASS2/DPNSS information elements may be sorted in the IE Library using the ISDN Interface Configure message. You may access them with Atomic Function 95 from the PPL design document.

See Integrated Services Digital Network.
AF. A predefined PPL software routine that performs a single, simple task, such as "Transmit Line Signaling" or "Allocate Digit Buffer." It is composed of standard software interrupts, calls, and data formats used by applications. Each AF has two values named "Arguments." AFs 1-50 are generic, and apply to all PPL components. AFs 51 and above apply to specific components. An AF is called "Atomic" because it is the smallest useful unit in PPL.
See Programmable Protocol Language.