Dialogic® Global Call API Library Reference

gc_SwapHold( ) — switch between an active call and a call on hold
Cautions
The gc_SwapHold( ) function can be called only when one call is the Connected state and the
other call is in the OnHoldPendingTransfer state or the OnHold state.
Errors
If this function returns original_crn, pline->consultation_crn, EV_ASYNC) == -1) {
/* process error return as shown */
gc_ErrorInfo( &gc_error_info );
printf ("Error: gc_SwapHold() on device handle: 0x%lx, GC ErrorValue: 0x%hx - %s,
CCLibID: %i - %s, CC ErrorValue: 0x%lx - %s\n",
362 Dialogic ® Global Call API Library Reference — January 2008
Dialogic Corporation