0x2760 Line Information
(Interworking Only)

Used in:
0x0033 NPDI Universal ICB

Byte | Description
0, 1 | Tag 0x2760
2, 3 | Length Variable
: | Value[0] Parameter 0x00 Impedance marker reset 0x01 Impedance marker set 0x02 Low loop impedance 0x03 Anomalous loop impedance All other values are reserved.

Network Protocol Data Intelligence. Also called “Interworking,” it is a software product that operates within Excel’s Call Control (Layer 4) and Services (Layer 5) call processing layers. NPDI is meant to enhance Excel’s call processing product offering by allowing call processing layers (specifically Layers 4 and 5) to perform advanced analysis, generation, and conversion of Network Signaling (NS) Layer 3 information.
See Information Control Block.