54 Global Call API for HMP on Windows Programming Guide — August 2006
Call State Models
Figure 11. Basic Asynchronous Outbound Call State DiagramNote: In Figure 11, the SendMoreInfo state and all transitions to/from that state apply to E1, T1, and ISDN technologies only.
GCEV_ALERTING
GCEV_ALERTING
GCEV_ALERTING
GCEV_CONNECTED
Required
Optional
GCEV_CONNECTED
GCEV_CONNECTED

GCEV_PROCEEDING

gc_MakeCall()
GCEV_DIALING
(maskable) GCEV_REQMOREINFO
or
gc_SendMoreInfo()
GCEV_SENDMOREINFO
GCEV_PROCEEDING
gc_SendMoreInfo()
GCEV_SENDMOREINFO
GCEV_REQMOREINFO
Dialing
Null
Alerting
SendMoreInfo
Proceeding
Connected
Legend: