Hi All, I have a question regarding the way kannel handles DR/DLR for SMPP.
1. How does it really work? e.g Normally SMPP will send 2 response submit_sm_resp and delivered_sm and this is how it normally works: Process 1: gateway/server -> SMS Msg -> SMPP SMSC SMPP SMSC -> submit_sm_resp -> gateway/server gateway/server -> ack to submit_sm_resp -> SMPP SMSC SMPP SMSC -> ack to (ack to submit_sm_resp) -> gateway/server At this moment the message has reached the SMSC and on queue. On kannel we got value of 12 (decimal) as our DLR code, which is equal to 4(msg buffered)+8(msg submit). Process 2: SMPP SMSC -> delivered_sm -> gateway/server gateway/server-> ack to delivered_sm -> SMPP SMSC This is when the SMS is out of the SMSC and reaches user's handset. When the gateway acknowledges the deliver_sm, the SMSC will clear it's buffer. Is this how kannel handles it's DLR as well? Thanks Eddie
