0x27C1 IP Signaling Series 3 Card ID

Used in:
0x0033 NPDI Universal ICB in:
Outseize Control message
Route Control message

Byte | Description
0, 1 | Tag IP Signaling Series 3 card (0x27C1)
2, 3 | Length 0x0002
4, 5 | Value 0x0000 - 0x003F

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.
Outgoing call setup during real-time call processing on a specific channel.
Internet Protocol. Part of the TCP/IP family of protocols used to route messages and tracks the addresses of nodes.