# 5 SwitchKit TCAP Abstraction Layer

Purpose

This chapter provides information about the SwitchKit TCAP Abstraction Layer (SKTAL) messaging API. SKTAL provides the following APIs to the application.

Important! SKTAL data types and return codes are defined in Appendix C.

In this section:

SwitchKit TCAP Abstraction Layer Messaging API

sktal_initializeTCAP()

sktal_terminateTCAP()

sktal_getTCAPHandle()

sktal_registerTCAPSSNHandler()

sktal_unregisterTCAPSSNHandler ()

sktal_setTCAPDialogueHandler ()

sktal_clearTCAPDialogHandler()

sktal_allocateTCAPDialogID()

sktal_sendTCAPDialog()

sktal_recvTCAPDialog()

sktal_sendTCAPComponent()

sktal_recvTCAPComponent()

See Transaction Capability Application Part.