# 2 SwitchKit Interface Module

This chapter contains information on the SwitchKit TCAP Interface API. The SwitchKit TCAP Interface provides a C++ API to a TCAP application. SKIM/SKTAL TCAP API hides details of the PPL TCAP Interface messages from the SwitchKit TCAP application.

In this section:

SKIM API Messaging

Initialize()

Terminate()

SSNInService()

SSNOutOfService()

Send()

SendReject()

CancelOperation()

SendPreArrangedEnd()

SetTransHandler()

ClearTransHandler()

EnableTracing()

DisableTracing()

See Transaction Capability Application Part.
See Programmable Protocol Language.