Patent ID: 8761716
Filing Date: 2014-06-24
Classification: H04W

Abstract:
1. A device for processing an emergency call in a portable terminal, comprising: a plurality of SIM cards; and a controller configured to detect a generation of an emergency call and for determining whether a currently activated first SIM card of the plurality of SIM cards is camped-on to a network and capable to making the emergency call, and to control transmitting the emergency call by the first SIM card when the first SIM card is camped-on to the network, and to control an automatic switch from the currently active first SIM card to a second SIM card that is camped-on to the network without unregistering the first SIM card and registering the second SIM card and activates the second SIM card camped-on to the network so that the emergency call is transmitted when the first SIM card cannot process the emergency call, and wherein the controller determines whether the second SIM card is capable of performing a communication service of the plurality of SIM cards based on a camped-on state to automatically switch to the second SIM card so that the emergency call is transmitted.