Step Step description
s m s Characters to send.
1 115 109 115 Convert to decimal.
2 1110011 1101101 1110011 Convert to binary.
3 1100111 1011011 1100111 Flip all the bits in reverse order.
4 11001111 01101111 00111000 Combine all the bits and regroup in groups of eight.
000 is padded.
5 1111 0011 1111 0110 0001 1100 Flip back all the bits and place in groups of four.
6 F 3 F 6 1 C Convert to hexadecimal.

Table 4 Encode the Message to be Sent.
Follow these steps in which the text message "sms" is converted from plain text into the PDU format in hexadecimal.