Session Operations

Session operations are the core of most TAPI applications. The following material provides an overview of various types of session control and links to the appropriate reference pages on functions and methods.

The following table summarizes TAPI session operations.

Session operations	TAPI 2.x	TAPI 3.x
Initiate a session	lineMakeCalllineTranslateAddress	ITAddress::CreateCallITAddressTranslation ITAddressTranslationInfo
Respond to session initiated elsewhere	lineAnswerlineAccept	ITBasicCallControl::Answer
Session changes Complete Conference Dial Drop Forward Handoff Hold Park Pickup Redirect Secure a session Transfer	lineCompleteCalllineUnCompleteCall linePrepareAddToConference lineAddToConference lineSetupConference lineGetConfRelatedCalls lineDial lineDrop lineForward lineHandoff lineHold lineSwapHold lineUnhold linePark lineUnpark linePickup lineRedirect lineSecureCall lineBlindTransfer lineSetupTransfer lineCompleteTransfer	ITBasicCallControl::ConnectITBasicCallControl::Disconnect ITBasicCallControl::Conference ITBasicCallControl::RemoveFromConference ITBasicCallControl::Finish ITBasicCallControl::Dial ITAddress::Forward ITBasicCallControl::HandoffDirect ITBasicCallControl::HandoffInDirect ITBasicCallControl::Hold ITBasicCallControl::ParkDirect ITBasicCallControl::ParkInDirect ITBasicCallControl::Pickup ITBasicCallControl::Transfer ITBasicCallControl::BlindTransfer
Terminate a session	lineDroplineDeallocateCall	ITBasicCallControl::DisconnectRelease interfaces involved in a session, usually at least ITCall, ITCallInfo, and ITBasicCallControl.