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I've been having tons of issues the past few weeks with incoming text messages. I can send messages, but I don't get any incoming messages. Sometimes I don't realize this isn't working for over a day and end up getting tons of messages at once after ...

I have a new colleague in New Zealand who keeps calling and texting me from their New Zealand Cell Phone. I haven't responded to any of the texts, but I have to answer the calls to do my job. Will I be charged for answering the calls?If I text back w...