Overload to allow the caller to specify the type of GC Protocol to search for. Valid options are SIP and DM3 Select a port available to make an outbound call and return the handle to that port. The algorithm is to first search ports that are designated for outbound only. It starts with the highest port and works down. If no outbound only ports are available, it will find ports designated as INOUT. It starts with the highest port and works down. The port is locked from other calls until you complete a call or call CancelOutboundCall. -1 if all lines busy.
Handle to the port. -1 if all lines busy.
Engine Class | CTI32Engine Namespace | Engine.GetOutboundHandle Overload List