Thanks for your response Alvaro, this is a extract from the bearerbox:
"fb43beb4-df37-4d58-958f-a8ecce10b176","2014-09-03 07:03:25","Receive SMS","modem-5-telca","","","+50250500880","51051500","0",Se supone que me lo debitan de mi cuenta "0658bf9c-53f7-40cb-a8f6-b33d958c2c88","2014-09-03 07:03:25","Receive SMS","modem-5-telca","","","+50250500880","51051500","0",Se supone que me lo debitan de mi cuenta "801daaf0-bd01-42a8-af38-6c299c302b15","2014-09-03 07:03:25","Receive SMS","modem-5-telca","","","+50250500880","51051500","0",Se supone que me lo debitan de mi cuenta "fc85117a-9cbb-42d0-a3a3-8666fc5808df","2014-09-03 07:03:25","Receive SMS","modem-5-telca","","","+50250500880","51051500","0",Se supone que me lo debitan de mi cuenta "011b26f4-efae-4b40-a4a4-7c12d8683a5a","2014-09-03 07:03:25","Receive SMS","modem-5-telca","","","+50250500880","51051500","0",Se supone que me lo debitan de mi cuenta "aaccd45f-3c67-41d8-a5dd-51973cc4f92a","2014-09-03 07:03:25","Receive SMS","modem-5-telca","","","+50250500880","51051500","0",Se supone que me lo debitan de mi cuenta "fd39d8c7-6020-4f95-9c25-eedb91c2249d","2014-09-03 07:03:25","Receive SMS","modem-5-telca","","","+50250500880","51051500","0",Se supone que me lo debitan de mi cuenta "8151edc9-94c2-4f86-893c-dac55db53c75","2014-09-03 07:03:25","Receive SMS","modem-5-telca","","","+50250500880","51051500","0",Se supone que me lo debitan de mi cuenta "e286537f-616e-4728-a756-7f16a323568f","2014-09-03 07:03:25","Receive SMS","modem-5-telca","","","+50250500880","51051500","0",Se supone que me lo debitan de mi cuenta This is a extract from the modem log, the error 321 goes from index 2 thru 35 wich is the slots available: 2014-09-04 09:09:18 [19991] [10] DEBUG: AT2[modem-5-telca]: --> AT+CMGS=120^M 2014-09-04 09:09:19 [19991] [10] DEBUG: AT2[modem-5-telca]: <-- > 2014-09-04 09:09:19 [19991] [10] DEBUG: AT2[modem-5-telca]: send command status: 1 2014-09-04 09:09:19 [19991] [10] DEBUG: AT2[modem-5-telca]: --> 0011000881457529010000007BC72C75F8744EABCDA76E282F93D3F4374818768FDFA0A3890A 020DDF6E7ADA5D76D3C36CD0F8ED06BDE1E334C20D0A83E46577F9FC1EA7C3721768F876CFEB 6C7A780E62B3C3EDB01C1 4668362B7180E54C6D35D201B4D7693B140369A2C7663816CB4582DC702D96830DC0D 2014-09-04 09:09:19 [19991] [10] DEBUG: AT2[modem-5-telca]: --> ^Z 2014-09-04 09:09:20 [19991] [10] DEBUG: AT2[modem-5-telca]: <-- > 2014-09-04 09:09:20 [19991] [10] DEBUG: AT2[modem-5-telca]: <-- OK 2014-09-04 09:09:23 [19991] [10] DEBUG: AT2[modem-5-telca]: <-- +CMGS: 79 2014-09-04 09:09:23 [19991] [10] DEBUG: AT2[modem-5-telca]: send command status: 0 2014-09-04 09:09:23 [19991] [10] DEBUG: AT2[modem-5-telca]: <-- OK 2014-09-04 09:09:23 [19991] [10] DEBUG: AT2[modem-5-telca]: --> AT+CPMS?^M 2014-09-04 09:09:23 [19991] [10] DEBUG: AT2[modem-5-telca]: <-- +CPMS: "SM",1,35,"SM",1,35 2014-09-04 09:09:23 [19991] [10] DEBUG: AT2[modem-5-telca]: <-- OK 2014-09-04 09:09:23 [19991] [10] DEBUG: AT2[modem-5-telca]: 1 messages waiting in memory 2014-09-04 09:09:23 [19991] [10] DEBUG: AT2[modem-5-telca]: --> AT+CMGR=1^M 2014-09-04 09:09:24 [19991] [10] DEBUG: AT2[modem-5-telca]: <-- +CMGR: 1,,54 2014-09-04 09:09:24 [19991] [10] DEBUG: AT2[modem-5-telca]: <-- 06910562909984040B910552500088F000004190409030524A28D332685E87BFDD6550BC5E06 B5CB20F61B442E8BD3F4B01B442E83DA69D0B85E76D3C3 2014-09-04 09:09:24 [19991] [10] DEBUG: AT2[modem-5-telca]: received message from SMSC: +5026099948 2014-09-04 09:09:24 [19991] [10] DEBUG: AT2[modem-5-telca]: Numeric sender (international) <+50250500880> 2014-09-04 09:09:24 [19991] [10] DEBUG: AT2[modem-5-telca]: User data length read as (40) 2014-09-04 09:09:24 [19991] [10] DEBUG: AT2[modem-5-telca]: Udh decoding done len=40 udhi=0 udhlen=0 udh='' 2014-09-04 09:09:24 [19991] [10] DEBUG: AT2[modem-5-telca]: <-- OK 2014-09-04 09:09:24 [19991] [10] DEBUG: AT2[modem-5-telca]: <-- OK 2014-09-04 09:09:30 [19991] [10] DEBUG: AT2[modem-5-telca]: failed to get message 1. 2014-09-04 09:09:30 [19991] [10] DEBUG: AT2[modem-5-telca]: --> AT+CMGR=2^M 2014-09-04 09:09:31 [19991] [10] DEBUG: AT2[modem-5-telca]: <-- +CMS ERROR: 321 2014-09-04 09:09:31 [19991] [10] ERROR: AT2[modem-5-telca]: +CMS ERROR: +CMS ERROR: 321 2014-09-04 09:09:31 [19991] [10] ERROR: AT2[modem-5-telca]: +CMS ERROR: The memory/message storage index assigned to the AT command is invalid (321) 2014-09-04 09:09:31 [19991] [10] DEBUG: AT2[modem-5-telca]: failed to get message 2. 2014-09-04 09:09:31 [19991] [10] DEBUG: AT2[modem-5-telca]: --> AT+CMGR=3^M 2014-09-04 09:09:31 [19991] [10] DEBUG: AT2[modem-5-telca]: <-- +CMS ERROR: 321 2014-09-04 09:09:31 [19991] [10] ERROR: AT2[modem-5-telca]: +CMS ERROR: +CMS ERROR: 321 2014-09-04 09:09:31 [19991] [10] ERROR: AT2[modem-5-telca]: +CMS ERROR: The memory/message storage index assigned to the AT command is invalid (321) 2014-09-04 09:09:31 [19991] [10] DEBUG: AT2[modem-5-telca]: failed to get message 3. 2014-09-04 09:09:31 [19991] [10] DEBUG: AT2[modem-5-telca]: --> AT+CMGR=4^M 2014-09-04 09:09:32 [19991] [10] DEBUG: AT2[modem-5-telca]: <-- +CMS ERROR: 321 2014-09-04 09:09:32 [19991] [10] ERROR: AT2[modem-5-telca]: +CMS ERROR: +CMS ERROR: 321 2014-09-04 09:09:32 [19991] [10] ERROR: AT2[modem-5-telca]: +CMS ERROR: The memory/message storage index assigned to the AT command is invalid (321) 2014-09-04 09:09:32 [19991] [10] DEBUG: AT2[modem-5-telca]: failed to get message 4. 2014-09-04 09:09:32 [19991] [10] DEBUG: AT2[modem-5-telca]: --> AT+CMGR=5^M 2014-09-04 09:09:32 [19991] [10] DEBUG: AT2[modem-5-telca]: <-- +CMS ERROR: 321 2014-09-04 09:09:32 [19991] [10] ERROR: AT2[modem-5-telca]: +CMS ERROR: +CMS ERROR: 321 2014-09-04 09:09:32 [19991] [10] ERROR: AT2[modem-5-telca]: +CMS ERROR: The memory/message storage index assigned to the AT command is invalid (321) 2014-09-04 09:09:32 [19991] [10] DEBUG: AT2[modem-5-telca]: failed to get message 5. 2014-09-04 09:09:32 [19991] [10] DEBUG: AT2[modem-5-telca]: --> AT+CMGR=6^M 2014-09-04 09:09:33 [19991] [10] DEBUG: AT2[modem-5-telca]: <-- +CMS ERROR: 321 Tell me if you need something else, thanks in advance for your help. From: Alvaro Cornejo [mailto:cornejo.alv...@gmail.com] Sent: Thursday, September 04, 2014 7:39 AM To: Vinicio Cruz Cc: users Subject: Re: Receiveing same sms two or 3 times Can you post some logs? Some times this happens when there is a coverage issue and the mobile is not able to send the ack to the smsc or when the sim in full and the smsc tries to resend the message. Regards Alvaro |--------------------------------------------------------------------------- --------------------------------------| Envíe y Reciba Datos y mensajes de Texto (SMS) hacia y desde cualquier celular y Nextel en el Perú, México y en mas de 180 paises. Use aplicaciones 2 vias via SMS y GPRS online Visitenos en www.perusms.com On Wed, Sep 3, 2014 at 5:55 PM, Vinicio Cruz <vinicio.c...@gmail.com> wrote: Hi everyone, I wonder if someone have had this problem/behavior. Kannel receiving sms two or even tree to four times the same message using modems, my configuration use message-storage = "SM" and sim-buffering = true, Ive read the manual about this two but havent understand them very well. Im using svn-r5104 on linux, modems Wavecom based. Hope some one can help me. Vinicio.