Hi, I'll offer 50 EUR for the first person who will help me modify kannel sources to solve the described problem with DLRs.
Tomasz W Twoim liście datowanym 30 sierpnia 2012 (12:36:59) można przeczytać: > Hello, > I'm using Kannel since few years as a core for gateway based on GSM > modems (AT). Since few days I've got a problem with DLRs. I'm > receiving only DLRs for some messages (before DLRs for all SMS were > delivered correctly). No configuration changes were made from that > time on my side. I've looked into logs and have seen that when > receiving DLRs sometimes all is ok and sometimes there is "could not > decode PDU to a message" message. > 2012-08-28 09:22:01 [3626] [42] DEBUG: AT2[modem_032]: <-- +CDSI: "SM",0 > 2012-08-28 09:22:01 [3626] [42] DEBUG: AT2[modem_032]: +CMTI > incoming SMS indication: +CDSI: "SM",0 > 2012-08-28 09:22:01 [3626] [42] DEBUG: AT2[modem_032]: <-- ^MODE:3,3 > 2012-08-28 09:22:02 [3626] [42] DEBUG: AT2[modem_032]: --> AT+CMGR=0^M > 2012-08-28 09:22:02 [3626] [42] DEBUG: AT2[modem_032]: <-- +CMGR: 0,,25 > 2012-08-28 09:22:02 [3626] [42] DEBUG: AT2[modem_032]: <-- > 07918405210077F79EC00B918405566182F6218082900332802180829003828000 > 2012-08-28 09:22:02 [3626] [42] DEBUG: AT2[modem_032]: received message from > SMSC: +48501200777 > 2012-08-28 09:22:02 [3626] [42] ERROR: AT2[modem_032]: could not decode PDU > to a message. > 2012-08-28 09:22:02 [3626] [42] DEBUG: AT2[modem_032]: <-- OK > ...but some DLRs are processed correctly: > 2012-08-28 08:48:54 [3626] [42] DEBUG: AT2[modem_032]: <-- +CDSI: "SM",0 > 2012-08-28 08:48:54 [3626] [42] DEBUG: AT2[modem_032]: +CMTI > incoming SMS indication: +CDSI: "SM",0 > 2012-08-28 08:48:54 [3626] [42] DEBUG: AT2[modem_032]: <-- ^MODE:3,3 > 2012-08-28 08:48:56 [3626] [42] DEBUG: AT2[modem_032]: --> AT+CMGR=0^M > 2012-08-28 08:48:56 [3626] [42] DEBUG: AT2[modem_032]: <-- +CMGR: 0,,25 > 2012-08-28 08:48:56 [3626] [42] DEBUG: AT2[modem_032]: <-- > 07918405210077F706B90B918405693009F2218082807541802180828075918000 > 2012-08-28 08:48:56 [3626] [42] DEBUG: AT2[modem_032]: received message from > SMSC: +48501200777 > 2012-08-28 08:48:56 [3626] [42] DEBUG: AT2[modem_032]: got STATUS-REPORT for > message <185>: > 2012-08-28 08:48:56 [3626] [42] DEBUG: AT2[modem_032]: Numeric > receiver (international) <+48509603XXX> > I've decoded both PDUs using a tool from > http://www.diafaan.com/sms-tutorials/gsm-modem-tutorial/online-sms-pdu-decoder/ > and both could be decoded properly (as SMS-STATUS-REPORT). > The one difference between those PDUs is that > 07918405210077F706B90B918405693009F2218082807541802180828075918000 has > PDU header: 06 and > 07918405210077F79EC00B918405566182F6218082900332802180829003828000 has > PDU header: 9E. I've made more tests and have seen that all DLRs with PDU > header: 06 are decoded by kannel and processed correctly, but when PDU > header: 9E than DLR isn't decoded properly and in logs there is "could > not decode PDU to a message" message. > Probably my GSM operator made some modifications and it delivers DLRs > with 9E and 06 headers. I've looked into kannel source code but I > can't find a place where to make modifications to have kannel decode > PDU with 9E header correctly. Could you help me? > Tomasz -- Pozdrowienia, Tomasz Konopka
