0x290F NPDI SIP Proxy Port

Use this TLV to specify the port number of the SIP proxy server to which the request is sent. In an outbound call, this TLV specifies where the SIP Messages are sent. The information goes in the request URI of the SIP message.

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

Byte | Description
0, 1 | Tag 0x290F
2, 3 | Length 0x0004
4-7 | Value [0] Variable If this TLV is not present, the configured local port is used in outbound calls (Route Control message) and port 5060 is used for incoming calls for registration (Request for Service and PPL Indication.

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