Hello, and these are the problems you observed? In the first quoted try you are seeing not reply, and in the second try different numbers? 2000 - 500/s (1 try) /usr/local/etc/kamailio/pcscf/route/register.cfg: xlog("L_ERR", "GEORGI pcscf_save"); #GEORGI 114 /usr/local/etc/kamailio/scscf/kamailio.cfg: xlog("L_ERR", "GEORGI Not REGISTERED save pre_reg_sar_reply\n"); 120 /usr/local/etc/kamailio/scscf/kamailio.cfg: xlog("L_ERR", "GEORGI save reg_sar_replay\n"); 0 2000 - 500/s (2 try) /usr/local/etc/kamailio/pcscf/route/register.cfg: xlog("L_ERR", "GEORGI pcscf_save_pending"); #GEORGI 349 /usr/local/etc/kamailio/pcscf/route/register.cfg: xlog("L_ERR", "GEORGI pcscf_save"); #GEORGI 114 /usr/local/etc/kamailio/scscf/kamailio.cfg: xlog("L_ERR", "GEORGI Not REGISTERED save pre_reg_sar_reply\n"); 0 /usr/local/etc/kamailio/scscf/kamailio.cfg: xlog("L_ERR", "GEORGI save reg_sar_replay\n"); 153 Cheers, Henning -- Henning Westerholt – https://skalatan.de/blog/ Kamailio services – https://gilawa.com<https://gilawa.com/> From: sr-dev &lt;sr-dev-bounces(a)lists.kamailio.org&gt; On Behalf Of Georgi Rosenov Stefanov Sent: Thursday, June 4, 2020 1:01 PM To: sr-dev(a)lists.kamailio.org Subject: [sr-dev] missing SAR messages These are my findings 2000 - 10/s(1 try) /usr/local/etc/kamailio/pcscf/route/register.cfg: xlog("L_ERR", "GEORGI pcscf_save_pending"); #GEORGI 2250 /usr/local/etc/kamailio/pcscf/route/register.cfg: xlog("L_ERR", "GEORGI pcscf_save"); #GEORGI 1124 /usr/local/etc/kamailio/scscf/kamailio.cfg: xlog("L_ERR", "GEORGI Not REGISTERED save pre_reg_sar_reply\n"); 0 /usr/local/etc/kamailio/scscf/kamailio.cfg: xlog("L_ERR", "GEORGI save reg_sar_replay\n"); 1124 2000 - 10/s(2 try) /usr/local/etc/kamailio/pcscf/route/register.cfg: xlog("L_ERR", "GEORGI pcscf_save_pending"); #GEORGI 2250 /usr/local/etc/kamailio/pcscf/route/register.cfg: xlog("L_ERR", "GEORGI pcscf_save"); #GEORGI 1125 /usr/local/etc/kamailio/scscf/kamailio.cfg: xlog("L_ERR", "GEORGI Not REGISTERED save pre_reg_sar_reply\n"); 0 /usr/local/etc/kamailio/scscf/kamailio.cfg: xlog("L_ERR", "GEORGI save reg_sar_replay\n"); 1125 2000 - 100/s (1 try) /usr/local/etc/kamailio/pcscf/route/register.cfg: xlog("L_ERR", "GEORGI pcscf_save_pending"); #GEORGI 323 /usr/local/etc/kamailio/pcscf/route/register.cfg: xlog("L_ERR", "GEORGI pcscf_save"); #GEORGI 160 /usr/local/etc/kamailio/scscf/kamailio.cfg: xlog("L_ERR", "GEORGI Not REGISTERED save pre_reg_sar_reply\n"); 0 /usr/local/etc/kamailio/scscf/kamailio.cfg: xlog("L_ERR", "GEORGI save reg_sar_replay\n"); 160 2000 - 100/s (2 try) /usr/local/etc/kamailio/pcscf/route/register.cfg: xlog("L_ERR", "GEORGI pcscf_save_pending"); #GEORGI 323 /usr/local/etc/kamailio/pcscf/route/register.cfg: xlog("L_ERR", "GEORGI pcscf_save"); #GEORGI 160 /usr/local/etc/kamailio/scscf/kamailio.cfg: xlog("L_ERR", "GEORGI Not REGISTERED save pre_reg_sar_reply\n"); 0 /usr/local/etc/kamailio/scscf/kamailio.cfg: xlog("L_ERR", "GEORGI save reg_sar_replay\n"); 160 2000 - 500/s (1 try) /usr/local/etc/kamailio/pcscf/route/register.cfg: xlog("L_ERR", "GEORGI pcscf_save_pending"); #GEORGI 379 /usr/local/etc/kamailio/pcscf/route/register.cfg: xlog("L_ERR", "GEORGI pcscf_save"); #GEORGI 114 /usr/local/etc/kamailio/scscf/kamailio.cfg: xlog("L_ERR", "GEORGI Not REGISTERED save pre_reg_sar_reply\n"); 120 /usr/local/etc/kamailio/scscf/kamailio.cfg: xlog("L_ERR", "GEORGI save reg_sar_replay\n"); 0 2000 - 500/s (2 try) /usr/local/etc/kamailio/pcscf/route/register.cfg: xlog("L_ERR", "GEORGI pcscf_save_pending"); #GEORGI 349 /usr/local/etc/kamailio/pcscf/route/register.cfg: xlog("L_ERR", "GEORGI pcscf_save"); #GEORGI 114 /usr/local/etc/kamailio/scscf/kamailio.cfg: xlog("L_ERR", "GEORGI Not REGISTERED save pre_reg_sar_reply\n"); 0 /usr/local/etc/kamailio/scscf/kamailio.cfg: xlog("L_ERR", "GEORGI save reg_sar_replay\n"); 153