3.3.3 Call Acknowledgement Configuration

When an incoming call is received, an acknowledgement is typically sent to the remote side to indicate that the call was received. In some technologies, if the incoming call does not have sufficient information, this acknowledgement also indicates to the remote side that more information is required to proceed with the call (see Section 3.4.1.8, "Overlap Receiving" for more information). Either the technology call control layer or the application can be configured to send the acknowledgement. This configuration can be set by the application issuing the gc_SetConfigData( ) function. The set ID used in this context is GCSET_CALL_CONFIG and the relevant parm ID is:

GCPARM_CALLACK

Specify whether call acknowledgement is provided by the application or the technology call control layer.

The GCPARM_CALLACK parm ID can be assigned one of the following values (of type GC_VALUE_INT):

• GCCONTROL_APP (application controlled)
• GCCONTROL_TCCL (technology call control layer controlled)

See the Global Call API Library Reference for more information on the gc_SetConfigData( ) function.

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