Introduction - If you have any usage issues, please Google them yourself
PDCU 7 BIT decoding process, now commonly used to send SMS Text and PDU (Protocol Data Unit, Protocol Data Unit) mode. Send and receive SMS Text mode using a simple code to achieve them is very easy, but the biggest drawback is that the Chinese can not send and receive text messages and SMS PDU mode only supports English, but also send text messages in English. PDU mode send and receive text messages you can use three kinds of coding :7-bit ,8-bit and UCS2 encoding. 7-bit encoding used to send normal ASCII characters ,8-bit encoding used to send data messages, UCS2 encoding used to send Unicode characters.