Apparatuses and methods for a wireless communication device having a first Subscriber Identity Module (SIM) and a second SIM to manage communication via the first SIM and the second SIM are disclosed. The method can include, but is not limited to, sending a first message including an indication of an extended signaling capability, receiving a second message including an inquiry regarding the extended signaling capability, and sending a third message including extended capability information, responsive to receiving the second message.