Patent ID: 8315589

Claim:
A method comprising: receiving, by a mobile communication device, initiation of an emergency call by a user of the mobile communication device; determining, by the mobile communication device, whether a first type of network is available for the emergency call; routing, by the mobile communication device, the emergency call over the first type of network when the first type of network is available for the emergency call; determining, by the mobile communication device, whether the emergency call is connected over the first type of network when the first type of network is available for the emergency call; connecting, by the mobile communication device, the emergency call to a particular point, via the first type of network, when the emergency call is connected over the first type of network; providing, by the mobile communication device and when the emergency call is connected over the first type of network, a domain notification short message service (SMS) message, to a particular server of an Internet protocol multimedia subsystem (IMS) network and over the first type of network, indicating that the mobile communication device is connected over the first type of network; and routing, by the mobile communication device, the emergency call over a second type of network when the first type of network is unavailable for the emergency call.