Patent ID: 11956386
Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A communication control device housing a subscriber terminal, the communication control device comprising one or more processors configured to perform operations comprising:
connecting an emergency call made from the subscriber terminal to an emergency-call reception switchboard;
inhibiting outgoing calls from the subscriber terminal or incoming calls to the subscriber terminal in a prescribed period, when the emergency call is disconnected by the subscriber terminal; and
when a call is made from the subscriber terminal in the prescribed period, determining whether the call is an emergency call or a general call based on a destination telephone number; in a case of an emergency call, canceling inhibition for outgoing calls from the subscriber terminal or incoming calls to the subscriber terminal and connecting the call; and in a case of a general call, not connecting the call.