0x2961 Private Header Container

This TLV contains nested TLVs that in turn contain the P-Header type and P-Header content. This TLV uses the following nested TLVs:

• 0x2962 Private Header Type TLV

• 0x2963 Private Header Data TLV

This TLV along with the two nested TLVs is reported in the RFS as many number of times as the number of P-Headers appear in the INVITE message. The total length of the NPDI data that can be reported to the host limits this number.

Byte | Description
0, 1 | Tag 0x2961
2, 3 | Length Variable (Maximum of 250)

Tag-Length-Value block. A standardized block that allows data to inserted in a standard way into API messages.
See Request For Service.
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.