Have received 6 times in one day. Caller ID says mugsupdate. Called the number back and woman answered said it was an express mart. Said people call there everyday saying the same thing. That someone is calling them from there several times a day. She has no idea what's going on. I just want the mess to stop!
obviously another scamming robo-caller (they've been ramping up this type of ring but no caller id data and no messages).
ANOTHER For the BLOCK list ..
It calls me once at day sometimes more. When you call back there is a voicemail saying there us no one available at the time, but they know that they will call you back the next day. When I answer it either automatically hangs up, silence, or it rings as if you were making the call. Super annoying, and I don't think it will ever quit calling me.