UNLITALK PLUS can give you 5 (five) days of unlimited texting, and call (unlimited call schedule is 10pm to 5am the following day) to Smart and Talk ‘n Text numbers. To register / subscribe, text:
T100 to 4547
To call, dial *4547 + TNT or Smart number. For example, *45470191234567
I’m just not sure if the promo is still on.