A device described herein, such as a User Equipment (“UE”), may receive an indication that the device is not authorized to access a first type of core network; detect a first set of wireless signals associated with a first network that is associated with the first type of core network; detect a second set of wireless signals associated with a second network that is associated with a second type of core network; and request, based on detecting the first and second sets of wireless signals and further based on the indication that the device is not authorized to access the first type of core network, establishment of a communication session with the second network.