I know it's convenient to have a text message to keep you online or know how close your number to be called to get the service,but how come the count down is not accurate!Bad enough you already trying to make sure that you run some errands around the area or use the time to make errands,but once the mins and your number is about to be called...the minutes went to 12 mins to 6 mins then jump back up to 8 mins.(how does that happen)!Please look into that,maybe there's a glitch!!!!