3.6. Call Termination, Synchronous Mode
Table 20 describes the sequencing of function calls and the messages exchanged with the ISDN carrier during a synchronous mode call termination.
Table 20. Call Termination (Synchronous)
|
Function/Event
|
Action/Description
|
| |
Disconnect message received when call is terminated by network. |
| GCEV_DISCONNECTED |
Unsolicited event - generated when a call is terminated by the network; initiates transition to Disconnected state. Release message is sent to network. Network responds with Release Complete message. |
| gc_DropCall( ) |
Disconnects call specified by CRN. |
| gc_ReleaseCall( ) |
Issued to release all resources used for a call; network port is ready to receive the next call. Causes transition to Null state. |