Acronyms

The following table provides information about the acronyms and the terminology used in the document.

Table - Acronyms

Acronym	Definition
ANSI	American National Standards Institute
ASD	Additional Subscriber Data
CdPN	Called Party Number
DRA	Destination Routing Address
EPAP	EAGLE Application Processor Provisioning
GRN	Generic Routing Number
INAP	Intelligent Network Application Protocol
INP	INAP-based Number Portability
INP CRP	INP Circular Route Prevention
INPMR	INP Message Relay
LNP	Local Number Portability
NEC	National Escape Code
NPDB	Number Portability Database
OPS	Operator Provisioning System
POI	Point Of Interconnection
RTDB	Real Time Database
SNAI	Service Nature of Address Indicator
SSN	Subsystem Number
TCAP	Transaction Capabilities Application Part