SMPP
Supported TLVs
| Name | Hex | Type | Description |
|---|---|---|---|
sar_msg_ref_num |
0x020C |
Integer | SAR Reference Number |
sar_total_segments |
0x020E |
Integer | SAR Total Segments |
sar_segment_seqnum |
0x020F |
Integer | SAR Segment Sequence Number |
custom_message_id |
0x3040 |
String | Contains the id (ULID) of the SMS segment |
SAR
Segmentation and Reassembly
If one is familiar with UDH based concatenation, then SAR shouldn't be a foreign concept, it is essentially the same structure:
sar_msg_ref_num- Used to identify which "complete" message this segment refers to, combined with the destination and source addresses to make the unique keysar_total_segments- The total number of segemnts in the complete messagesar_segment_seqnum- Which segment of the message it is