User`s guide

Dialogic
®
System Release 6.0 PCI for Windows
®
Release Update, Rev 62 — January 30, 2008 168
Dialogic Corporation
The following diagram illustrates the API sequence for an MWI interrogate without 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
SETUP (Fac IE: MWI Interrogate.Invoke)
PROCEEDING
gc_DropCall()
RELEASE(Fac IE: MWI Interrogate.result)
GCEV_DROPCALL
gc_ReleaseCall()
RELEASE_COMPLETE
GCEV_RELEASECALL
GCEV_OFFERED
Build MWI Interrogate.result in Facility IE
Successful MWI Interrogate.Result (without Connect)
gc_SetInfoElem()
gc_SetInfoElem() return