The issue of the question has not been answered. My question is not about the term, but the question is, why is sms notification and delivery, but really not sent statuses were determined.
The point of the question has not been answered. My question is about timing. But the question is, why have sent sms to inform the truth however. Then the status is not sent.
The question is not answered. My question is not about the timing, but the question is why have SMS notification delivery actually on สถานะไม่มี transmission.