0x296B SIP Subscription ID

You can use this new TLV for the following two purposes:

• Report the Refer Subscription to Host - This TLV is reported within the PPL Event Indication for inbound REFER request, except for the first inbound REFER request in the dialog.

• Generate NOTIFY with ID Parameter - This TLV is used in the PPL Event Request to generate NOTIFY request except for the first NOTIFY for the refer-subscription.

The following is the format of the TLV.:

Byte | Description
0,1 | Tag 0x296B
2,3 | Length 0x0001
4 | Value[0] Subscription ID 0x00 - 0x07 The subscription ID is internally generated by the SIP stack and does not report the value of any parameter in the SIP message.

Tag-Length-Value block. A standardized block that allows data to inserted in a standard way into API messages.
A computer, attached to the Excel platform through an RS-232 or Ethernet link, from which you run the telecommunications application that controls the Excel platform.
See Programmable Protocol Language.
A condition that, when met, drives a state machine from one state to another. A condition that drives a Component out of its current state by invoking an associated primitive.
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.