0x299C SIP Header Field

For SIP calls, this TLV contains the nested TLVs that in turn contain the SIP Header Field Parameters.

Used in:
0x0033 NPDI Universal ICB

This TLV uses the following nested TLVs:

• 0x295E SIP Hostname

• 0x295F SIP Port Number

Byte | Description
0, 1 | Tag 0x299C
2, 3 | Length Variable

Session-Initiation Protocol. A signaling protocol used for establishing sessions in an IP network. A session could be a simple, two-way telephone call, or it could be a collaborative multi-media conference session.
Tag-Length-Value block. A standardized block that allows data to inserted in a standard way into API messages.
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.
The point in the Excel platform where a DS0 connects to a network. Also known as a "socket."