3.3. Call Termination, Asynchronous Mode
Table31 describes the sequencing of function calls and the messages exchanged with the ISDN carrier during an asynchronous mode call termination.
Table 31. Call Termination (Asynchronous)
| Function/Event |
Action/Description |
| |
Disconnect message received when call is terminated by network. |
| GCEV_DISCONNECTED |
Unsolicited event generated when call is terminated by network; initiates transition to Disconnected state. |
| gc_DropCall( ) |
Disconnects call specified by CRN. |
| GCEV_DROPCALL |
Termination event - signals that call is disconnected and initiates transition to Idle state. |
| gc_ReleaseCall( ) |
Issued to release all resources used for call; network port is ready to receive next call. Causes transition to Null state. |
