0x2939 NPDI SIP Authenticate Username

Use this TLV to specify the username used to authenticate the request.
Used in:
0x0033 NPDI Universal ICB in:
PPL Event Request message with Event IDs 0x0C

Byte | Description
0, 1 | Tag 0x2939
2, 3 | Length Variable
4-n | Value[0-n] NULL terminated ASCII string for username

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.
See Programmable Protocol Language.
American Standard Code for Information Interchange