During de-registration, Kamailio receives REGISTER (with expire 0), and then send Session Termination request, and only after getting Session Termination Answer, Kamailo sends 200OK. This is not sent till UE. The reason is after receiving Session Termination Request, the PCRF sends ReAuthRequest towards PCEF and it followed delete bearer procedure in IMS-PGW and bearer is getting deleted :(.
In the kamailio script, pcscf_save() is used after receiving 200OK from SCSCF. And within this function, STR is sent and STA received.
RX_SUPPORT flag shall be defined and it can be observed in De-registration procedure.
(paste your debugging data here)
(paste your log messages here)
(paste your sip traffic here)
kamailio -v
kamailio --version
version: kamailio 5.7.5 (x86_64/linux) 58499a-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_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: 58499a -dirty
compiled on 11:23:55 May 8 2024 with gcc 9.4.0
uname -a
Linux openims-tvmcfg-node-focal 5.4.0-181-generic #201-Ubuntu SMP Thu Mar 28 15:39:01 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
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