3.3. Call Termination, Asynchronous Mode
Table 17 describes the sequencing of function calls and the messages exchanged with the ISDN carrier during an asynchronous mode call termination.
Table 17. 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. |
