1) no it doesn't - i've done it plenty of times with twilio - very simple 2) ok... 3) WATCH OUT - TIMEZONES!!!!!!!!! TIME = SERVER_TIMEZONE + (USER_OFFSET).

1) no it doesn't - i've done it plenty of times with twilio - very simple 2) ok... 3) WATCH OUT - TIMEZONES!!!!!!!!! TIME = SERVER_TIMEZONE + (USER_OFFSET)... or you can locally change the time zone of the whole account to their local one... come on... easy.