122 Communication Control ToolkitSupported functions and events Standard 5.01Supported eventsEvent TAPI Service Provider IPML Service ProviderRinging Yes YesDialtone Yes YesBusy Yes YesOffering Yes YesRingback Yes YesInbound Connected Yes YesOutbound Connected Yes YesConnected Yes YesDisconnected Yes YesHeld Yes YesUnheld Yes YesOnHold PendingConferenceYes NoOnhold Pending Transfer Yes NoTransferred Partial (use Reason Code) YesConference Partial (use Reason Code) YesInitiated Transfer Yes YesInitiated Conference Yes YesShutdown Yes YesDevice Forward No No
