Appendix A - Call Control Scenarios
375
CCEV_DISCONNECTE
D<--
DISCONNECTED CALL_DISCONNECTED
<--
Release
-->
Rel_Comp
<--
cc_DropCall( )
--> Call_Disconnecte
d (cause value
=0)
-->
IDLE
CCEV_DROPCALL
<-- CALL_CLEARED
<--
cc_ReleaseCall(
)
-->
Call_Dealloc
--> NULL
Driver releases
CRN
Return
F/W releases CRN
CALL_DEALLOC_ACK
<--
*In the firmware-controlled disconnect process, the firmware ensures that the RELEASE
is sent out to the network immediately after the DISCONNECT is received.