0x2A17 SDP Media Stream Native Text

Used in:
0x0033 NPDI Universal ICB in:
PPL Event Request message

Byte | Description
0, 1 | Tag 0x2A17
2, 3 | Length Variable
4-n | Value Raw SDP text (not null terminated)

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.
See Programmable Protocol Language.