Description

Hello, when I was testing the SMSC SMS business, I found that the SMS could not be forwarded by the SMSC when the characters were too long, approximately 117 characters. The issue was traced back to the smsops module, which has a limit on the length of the SMS, but it seems that it does not handle SMS segmentation. The error message returned is as follows. Could you please provide some suggestions and help?

Troubleshooting

Reproduction

Debugging Data

(paste your debugging data here)

Log Messages

2024-04-24T05:59:01.837950514Z  3(24) ERROR: <script>: SMS for  "" (Valid: 0 )
2024-04-24T05:59:14.466167796Z  2(23) ERROR: <script>: 3GPP-SMS: MESSAGE (sip:+8618107550088@ims.mnc011.mcc460.3gppnetwork.org (172.22.0.20:6060) to tel:+8613800138000, bnecb4LQJ@10.46.2.1)
2024-04-24T05:59:14.466173859Z  2(23) ERROR: smsops [smsops_impl.c:1055]: decode_3gpp_sms(): Length of TP-User-Data payload exceeds maximum length!
2024-04-24T05:59:14.466175929Z  2(23) ERROR: smsops [smsops_impl.c:1320]: pv_get_sms(): Error getting/decoding RP-Data from request!
2024-04-24T05:59:14.466191554Z  2(23) ERROR: smsops [smsops_impl.c:1055]: decode_3gpp_sms(): Length of TP-User-Data payload exceeds maximum length!
2024-04-24T05:59:14.466194545Z  2(23) ERROR: smsops [smsops_impl.c:1320]: pv_get_sms(): Error getting/decoding RP-Data from request!
2024-04-24T05:59:14.466196517Z  2(23) ERROR: smsops [smsops_impl.c:1055]: decode_3gpp_sms(): Length of TP-User-Data payload exceeds maximum length!
2024-04-24T05:59:14.466198406Z  2(23) ERROR: smsops [smsops_impl.c:1320]: pv_get_sms(): Error getting/decoding RP-Data from request!
2024-04-24T05:59:14.466200311Z  2(23) ERROR: <script>: SMS for  "" (Valid:  )
2024-04-24T05:59:14.466255812Z  2(23) ERROR: smsops [smsops_impl.c:1055]: decode_3gpp_sms(): Length of TP-User-Data payload exceeds maximum length!
2024-04-24T05:59:14.466276249Z  2(23) ERROR: smsops [smsops_impl.c:1903]: isRPDATA(): Error getting/decoding RP-Data from request!

SIP Traffic


image.png (view on web)

Possible Solutions

Additional Information

poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: 4fb8ac -dirty
compiled on 03:11:49 Apr 24 2024 with gcc 9.4.0

version: kamailio 5.9.0-dev0 (x86_64/linux) 4fb8ac-dirty
flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, MEM_JOIN_FREE, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLOCKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED
ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_SEND_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
Linux sder 4.15.0-128-generic #131-Ubuntu SMP Wed Dec 9 06:57:35 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux


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