0x2761 Channel Identification

Used in:
0x0033 NPDI Universal ICB

Byte | Description
0, 1 | Tag 0x2761
2, 3 | Length Variable
4,5 | Value[0] Address Type 0x0000 Span Channel 0x0001 V5 Interface
6-n | Value[1] Address Data for Span Channel Address Data 1 0 (reserved) Address Data 2 0 (reserved) Address Data 3 Span MSB Address Data 4 Span LSB Address Data 5 Channel Address Data 6 0 (reserved) Rest of the values are reserved. Address Data for V5 Interface Address Data 1 Node ID MSB Address Data 2 Node ID LSB Address Data 3 V5 Interface ID MSB Address Data 4 V5 Interface ID LSB Address Data 5 User Port MSB Address Data 6 User Port LSB Rest of the values are reserved.
: | Value[2] Optional Bytes

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.
Range of channels provided by T1 or E1 transmission service. A physical span is a group of channels taking up a single physical wire. A logical span is a group of channels taking up less than a single logical wire, or carried over more than one physical wire.
Most Significant Bit
Least Significant Bit
The point in the Excel platform where a DS0 connects to a network. Also known as a "socket."