User`s guide

Dialogic
®
System Release 6.0 PCI for Windows
®
Release Update, Rev 62 — January 30, 2008 167
Dialogic Corporation
Inbound QSIG NCAS Call Scenarios
The following diagram illustrates the API sequence for an MWI interrogate with connect
scenario.
Application
GC libs and protocol
stack
Network
gc_Open()
dtiBxT23 (T1) or dtiBxT30 (E1)
gc_Open return devh
gc_WaitCall()
Wait for a call on T23 or T30 for COCI
gc_WaitCall() return
gc_AnswerCall(crn, rings)
SETUP (Fac IE: MWI Interrogate.Invoke)
PROCEEDING
CONNECT(Fac IE: MWI Interrogate.result)
GCEV_CONNECTED
gc_DropCall()
RELEASE
GCEV_DROPCALL
gc_ReleaseCall()
RELEASE_COMPLETE
GCEV_RELEASECALL
GCEV_OFFERED
Build MWI Interrogate.result in Facility IE
CONNECT_ACKNOWLEDGE
GCEV_DISCONNECTED
Successful MWI Interrogate.Result (with Connect)
gc_SetInfoElem()
gc_SetInfoElem() return