2.2.4.2.1 Completion Packets

The following sections, from LINE_ADDRESSSTATE (section 2.2.4.2.1.1) to PHONE_STATE (section 2.2.4.2.1.32), describe asynchronous event packets that transmit an asynchronous event from a TAPI server to a TAPI client in order to inform the client of events regarding a telephony device on the client.