RECIEVED SEVERAL CALLS FROM THIS NUMBER BUT NO ANSWER ON THEIR END. I'VE TRIED CALLING IT BACK 2 TIMES SINCE I NEVER SEEM TO HEAR THE PHONE RINGING WHEN THIS NUMBER CALLS ME. IT'S JUST ANNOYING BECAUSE I DON'T BELIEVE I KNOW THIS PERSON AND THEY WON'T LEAVE A VOICE MESSAGE. I'VE ALSO TRIED SENDING THEM AN SMS TELLING THEM THEY MAY WANT TO "LOCK" THEIR KEYPAD BUT NO SUCCESS BECAUSE THE NEXT DAY, I WAS GETTING THEIR CALLS AGAIN. OFCOURSE, I DIDN'T ENTERTAIN THE CALL...I FIGURED, IF THEY KNOW ME OR NEED TO SPEAK WITH ME; THEY'D LEAVE A MESSAGE OR SEND A REPLY FROM MY TEXT MESSAGES I FORWARDED.