A particular method includes processing a call connection between a user equipment (UE) device and a first network. The UE device is coupled to or includes at least a first subscriber identity module (SIM) that is associated with the first network and a second SIM that is associated with a second network. The method includes sending a status update message to the second network associated with the second SIM. The status update message instructs the second network to provide a busy status message in response to receiving a call connection request that is directed to the second SIM.