0x2729 Generic Number
(Interworking Only)

Used in:
0x0033 NPDI Universal ICB

Byte | Description
0, 1 | Tag 0x2729
2, 3 | Length Variable
4 | Value[0] Number qualifier
5 | Value[1] Type of number
6 | Value[2] Screening and presentation indication
7 | Value[3] Number plan identifier
8 | Value[4] Calling Party Category)
9 | Value[5] Number of Digits
10 | Value[6] BCD Digit Pair 1
11 | Value [7]BCD Digit Pair 2
: | :

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.