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7. ISDN Events and Errors
333
External Event Indicates:
is associated with all calls on the device.
Upon receipt of this event, the application
may issue a cc_GetNonCallMsg( ) function
to retrieve the data into its local structure.
CCEV_FACILITYNULL An ISDN_FACILITY message was received
containing a Dummy (NULL) CRN.
Upon receipt of this event, the application
may issue a cc_GetNonCallMsg( ) function
to retrieve the data into its local structure.
CCEV_FACILITYREJ A FACILITY_REJ message has been
received by the application.
CCEV_HOLDCALL A HOLD message was received from remote
equipment. The application may send
cc_HoldAck( ) or cc_HoldRej( ) as a
response.
CCEV_INFOGLOBAL An ISDN_INFORMATION message
containing a Global CRN value was received.
This event is sent on the board level device,
as the event is associated with all calls on the
device.
Upon receipt of this event, the application
may issue a cc_GetNonCallMsg( ) function
to retrieve the data into its local structure.
CCEV_INFONULL An ISDN_INFORMATION message was
received containing a NULL CRN.
Upon receipt of this event, the application
may issue a cc_GetNonCallMsg( ) function
to retrieve the data into its local structure.
CCEV_L2FRAME A data link layer frame has been received by
the application. The application should use
the cc_GetFrame( ) function to retrieve the