Hi~! I'm using this router with my phone's sim card for internet access. I can access received SMS in the menu, but I have no idea when someone called me. I understand when someone rings me, they hear a dialing sound but the call understandably doesn't go through. However this is worse than having my phone switched off because the sim is online and I don't received a missed call message via sms or any way. Is there a way to see who called me while my sim is in the router?