Automatic call blocking method for intelligent network service call in service attenuator

摘要

The present invention relates to an automatic call blocking method for an intelligent network service call in a service switching system, and more particularly, to an automatic call blocking method for an intelligent network service call, which includes a congestion of an IN service call, an overload of an SCP, a call restriction by SMS, It is possible to limit the call to the call blocking information requested by the SCP for some intelligent network service calls.