Jul 12 10:43:50 host-sbc /usr/local/sbin/kamailio[4587]: ALERT: <script>: ALERT: route failure INVITE from sip:anonymous@anonymous.invalid (IP:52.114.148.0:6529) : <null> Jul 12 10:43:50 host-sbc /usr/local/sbin/kamailio[4587]: NOTICE: <core> [core/msg_translator.c:314]: warning_builder(): buffer size exceeded (probably too long URI) Jul 12 10:43:50 host-sbc /usr/local/sbin/kamailio[4587]: WARNING: <core> [core/msg_translator.c:2483]: build_res_buf_from_sip_req(): warning skipped -- too big Any idea why I am gettign this during Microsoft Teams integration? Freshly complied. root@host-sbc:/etc/kamailio/git# kamailio -v version: kamailio 5.5.1 (x86_64/linux) 6751cc flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, 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: 6751cc compiled on 18:04:44 Jul 10 2021 with gcc 7.5.0 root@host-sbc:/etc/kamailio/git# -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/issues/2799