Dialogic 05-0867-005 Host-controlled disconnect: This is the default setting for parameter 24 in the *.prm file

Appendix A - Call Control Scenarios

383

Host-controlled disconnect: This is the default setting for parameter 24 in the*.prm file

Synchronous Programming

Application Device Driver State Firmware Network

CONNECTED

cc_DropCall( )

--> Call_Disconnected

(cause value =0)

--> IDLE Bchannel

disconnected

CALL_DISC

-->

Disconnect

-->

Release

<--

termination of

cc_DropCall()

<--

CALL_CLEARED

<--

ISDN_Block_Ts

--> Incoming call

unblocked

*cc_ReleaseCall

()

-->

Call_Dealloc

--> **RELEASE_DONE

--> **Rel_Comp

-->

Driver releases

CRN

Return

<--

NULL F/Wreleases CRN

CALL_DEALLOC_ACK

<--

*cc_WaitCall( ) must be issued again to receive the next incoming call.

**Note that for the host-controlled disconnect process, the firmware sends a

RELEASE_DONE (and therefore a RELEASE COMPLETE) to the network only when the host does

acc_ReleaseCall( ) .

Asynchronous Programming