Have any of you received delayed text messages? I write a lot of text messages and sometimes it seems like the person's response is a bit lagged. I can be having a conversation with someone and I ask them a question and don't get a response. I then ask them the question again and they reply that they already responded. Usually like 30 minutes later their response finally comes in. Anyone else have this problem? I called AT&T about it but they blamed it on other carriers.