udh_header.java

MM7彩信对接网关示例

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package com.rainbow.mms.golden.base;


public class UDH_Header {
	
	public String getSingleHeader() {
		String udh = "";
		udh += "06"; //User Data Header Length (6 bytes)
		udh += "05"; //UDH Item Element id (Port Numbers)
		udh += "04"; //UDH IE length (4 bytes)
		udh += "0B";
		udh += "84"; //destination port number
		udh += "23";
		udh += "F0"; //origin port number
		return udh;
	}
	
	public String getMultiHeader(byte totalParts, byte partsIndex) {
		
		String udh = "";
		udh += "0B";//User-Data-Header (UDHL) Length = 11 bytes
		udh += "05";//UDH IE identifier: Port numbers
		udh += "04";//UDH port number IE length
		udh += "C3";//Destination port (high)
		udh += "4F";//Destinating port (low)
		udh += "C0";//Originating port (high)
		udh += "02";//Originating port (low)
		udh += "00";//UDH IE identifier: SAR
		udh += "03";//UDH SAR IE length
		udh += "04";//Datagram ref no.
		udh += Integer.toHexString(totalParts);
		udh += Integer.toHexString(partsIndex);

		return udh;
	}
}