Clearing connections

The application requests clearing of a connection by invoking ISUPReleaseReq. The application is notified of the completion of the release procedure (the receipt of a release complete message) by receipt of a release confirm (EVTRELCFM) event.

The following illustration shows a connection clearing request initiated by the application:

If the far exchange initiates the release of the connection, the application receives a release indication (EVTSITRELIND) event from the ISUP layer. The application then completes the connection release by invoking ISUPReleaseResp to send the release complete message to the far exchange.

The following illustration shows a connection clearing request initiated by the far exchange: