0x2935 SIP Contact URI Parameters

Use this TLV to receive and send Contact-URI parameters to and from host applications.

For inbound calls, this TLV carries all of the Contact URI parameters received by the SIP software in the Request for Service with Data message to host applications.

For outbound SIP calls, this TLV allows you to insert Contact URI parameters in SIP INVITE messages.

To report this TLV you must first set Bit 5 in the TLV 0x027F SIP Message Information Mask.
Used in:
0x0033 NPDI Universal ICB in:
Request for Service with Data message
Route Control message
Outseize Control message

Byte | Description
0, 1 | Tag 0x2935
2, 3 | Length Variable
4-n | Value[0-n] Null-terminated ASCII string for URI parameters in the CONTACT-URI.

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.
Outgoing call setup during real-time call processing on a specific channel.
American Standard Code for Information Interchange