Constructs a new Part instance for a segmented SMS message.
The raw data of this message part
The size of this part, including headers and content
The decoded text content of this part
Optionalheader: HeaderAn optional header for concatenated message support
Generates a string representation of this SMS part, suitable for transmission.
This method constructs the PDU string for this part by concatenating the PDU start, the size of the part, any headers, and the data content.
A string representing the PDU for this part of the message.
Represents a part of a segmented SMS message.
Used for messages that exceed the size limit for a single SMS and must be split. Each part contains a segment of the full message, facilitating the reassembly of the complete message by the recipient.