Advantech MIC-3369C Guía de instalación descargar pdf (Pagina 87)

Dialogic

System Release 6.1 CompactPCI for Windows

Release Update 87

gc_util_insert_parm_ref(&pParmBlock,

IPSET_ CALLINFO,

IPPARM_CDPN_NUMBERING_PLAN_ID,

sizeof(unsigned char),

&cdpn_npi);

gc_util_insert_parm_ref(&pParmBlock,

IPSET_ CALLINFO,

IPPARM_CGPN_SCREENING_INDICATOR,

sizeof(unsigned char),

&cgpn_si);

gc_util_insert_parm_ref(&pParmBlock,

IPSET_ CALLINFO,

IPPARM_CGPN_PRESENTATION_INDICATOR,

&cgpn_pi);

/*. .. Continue Main processing. … call gc_MakeCall() */

}

1.30.5 Generating CPN Fields in a SETUP Message

If you choose to insert the CPN data into the GC_MAKECALL_BLK using the

gc_SetUserInfo( ) function, refer to the Dialogic

Global Call IP Technology Guide for

details on how this can be done.

After setting the CPN signaling message fields as described in the Setting Up CPN Fields

in the GC_PARM_BLK Data Structure section, the user application calls the

gc_MakeCall( ) function, passing it a pointer to the GC_MAKECALL_BLK.

1.30.6 Retrieving CPN Information

When the underlying H.323 stack is enabled to retrieve incoming call info fields, including

CPN information, any CPN fields detected in an associated H.225 message will be

retrieved and stored in Global Call.

Use the gc_Extension( ) function to retrieve the CPN data within any valid incoming

H.225 message containing CPN fields, while a call is in any state, after the OFFERED

state. This is similar to receiving other call related information via the

GCEV_EXTENSIONCMPLT event received as a termination event to the

gc_Extension( ) function.

Set the target_type to GCTGT_GCLIB_CRN. Set the target_id to the actual CRN. If

incoming CPN data is available, the information is included with the corresponding

GCEV_EXTENSIONCMPLT asynchronous termination event.

The extevtdatap field in the METAEVENT structure for the GCEV_EXTENSIONCMPLT

event is a pointer to an EXTENSIONEVTBLK structure that contains a GC_PARM_BLK

with the requested CPN information.

When trying to retrieve the CPN information, it is necessary to specify each of the CPN

parameters in the extension request, for which information from the stack is needed.

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