I don't want to upgrade my firmware because the device is at 200km ! I don't want to take the risk to lost the ip communication.
Here is a copy of the logread when I send an sms:
Wed Jan 6 13:33:09 2021 local1.info gsmd[6847]: gsmd send: 'AT+CMGL=4' (10)
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
Wed Jan 6 13:33:10 2021 local1.info gsmd[6847]: gsmd send: 'AT+CMGD=9' (10)
Wed Jan 6 13:33:10 2021 local1.info gsmd[6847]: gsmd get: 'OK' (2)
Wed Jan 6 13:33:10 2021 user.info SMS-Utilities[18822]: SMS Index == 9
Wed Jan 6 13:33:10 2021 user.info SMS-Utilities[18822]: SMS Text == XXXXXXX status
Wed Jan 6 13:33:11 2021 user.info Messaged[18830]: Start from new event "SMS" "SMS received from: +4179XXXXXXX"
Wed Jan 6 13:33:11 2021 user.info SMS-Utilities[18822]: EXECUTING STATUS
Wed Jan 6 13:33:12 2021 user.info Messaged[18861]: Start from new event "SMS" "Send status from: +4179XXXXXXX"
Wed Jan 6 13:33:12 2021 local1.info gsmd[6847]: gsmd send: 'AT+QCSQ' (8)
Wed Jan 6 13:33:12 2021 local1.info gsmd[6847]: gsmd get: '+QCSQ: "LTE",62,-92,196,-12' (27)
Wed Jan 6 13:33:12 2021 local1.info gsmd[6847]: gsmd send: 'AT+CSQ' (7)
Wed Jan 6 13:33:12 2021 local1.info gsmd[6847]: gsmd get: '+CSQ: 26,99' (11)
Wed Jan 6 13:33:12 2021 local1.info gsmd[6847]: gsmd send: 'AT+CGSN' (8)
Wed Jan 6 13:33:12 2021 local1.info gsmd[6847]: gsmd get: '865546040157683' (15)
Wed Jan 6 13:33:12 2021 local1.info gsmd[6847]: gsmd send: 'AT+CGMR' (8)
Wed Jan 6 13:33:12 2021 local1.info gsmd[6847]: gsmd get: 'EC25EUGAR06A03M4G' (17)
Wed Jan 6 13:33:13 2021 local1.info gsmd[6847]: gsmd send: 'AT+CGSN' (8)
Wed Jan 6 13:33:13 2021 local1.info gsmd[6847]: gsmd get: '865546040157683' (15)
Wed Jan 6 13:33:13 2021 local1.info gsmd[6847]: gsmd send: 'AT+CGMR' (8)
Wed Jan 6 13:33:13 2021 local1.info gsmd[6847]: gsmd get: 'EC25EUGAR06A03M4G' (17)
Wed Jan 6 13:33:13 2021 local1.info gsmd[6847]: gsmd send: 'AT+CMGS=149' (12)
Wed Jan 6 13:33:14 2021 local1.info gsmd[6847]: gsmd send: '0001000b911497235682f100009bd2779d5e9683dce17619d40249abd45cadb6035d834e50120a6a816230170ee68ae1702edb6d072286e961d0f0ed7697c7f4f4db0d9ad3c3f432a8051abfddeef2985e26ef40c3b7db5d1ed3d36f37889e8797412d10935adc81a6e9b33bcc064de9f2b2fb4c47835aa0962d06220bdb3b90b37c0719afa0b03d9c6687c5ec32a805ca96e73b1008' (301)
Wed Jan 6 13:35:30 2021 local1.info gsmd[6847]: gsmd get: '+CMS ERROR: 350' (15)