Dialogic® Global Call API Library Reference

gc_ReqService( ) — request a service from a remote device
Example
#include "gclib.h"
void main( )
{
LINEDEV devh;
unsigned long serviceID;
GC_PARM_BLKP reqdatap = NULL;
GC_INFO gc_error_info; /* GlobalCall error information data */
}
See Also
/* Following code assumes that gc_OpenEx has been done with handle = devh */
/* Set up GC_PARM_BLK */
if ( gc_util_insert_parm_val( &reqdatap, GCSET_SERVREQ, PARM_REQTYPE,
sizeof( int ), 0 ) != GC_SUCCESS ) {
/* Process error */
}
if ( gc_util_insert_parm_val( &reqdatap, GCSET_SERVREQ, PARM_ACK,
sizeof( short ), GC_NACK) != GC_SUCCESS ) {
/* Process error */
}
/* Insert any other technology-dependent parameters */
if ( gc_ReqService( GCTGT_GCLIB_CHAN, devh, &serviceID, reqdatap, NULL,
EV_ASYNC ) != GC_SUCCESS ) {
/* Process error */
gc_ErrorInfo( &gc_error_info );
printf ("Error: gc_ReqService() on device handle: 0x%lx, GC ErrorValue: 0x%hx - %s,
CCLibID: %i - %s, CC ErrorValue: 0x%lx - %s\n",
devh, gc_error_info.gcValue, gc_error_info.gcMsg,
gc_error_info.ccLibId, gc_error_info.ccLibName,
gc_error_info.ccValue, gc_error_info.ccMsg);
}
/* Wait for GCEV_SERVRESP and process */
/* Delete GC_PARM_BLK */
gc_util_delete_parm_blk( reqdatap );
gc_RespService( )
268 Dialogic ® Global Call API Library Reference — January 2008
Dialogic Corporation