Hello Guarav, please investigate in your kamailio log file if you find more information why kamailio was stopped. Cheers, Henning Am 11.09.19 um 19:15 schrieb Gaurav Bmotra: hi i m using kamailio 5.1, with -m 512 -M 8 it stop registering user SIP anf in status it shows ------------------------------ ● kamailio.service - LSB: Start the Kamailio SIP proxy server Loaded: loaded (/etc/init.d/kamailio; generated) Active: active (exited) since Sat 2019-09-07 11:05:16 UTC; 3 days ago Docs: man:systemd-sysv-generator(8) Sep 11 06:38:36 talk /usr/local/sbin/kamailio[17708]: INFO: <core> [main.c:819]: sig_usr(): signal 15 received Sep 11 06:38:36 talk /usr/local/sbin/kamailio[17677]: INFO: <core> [main.c:819]: sig_usr(): signal 15 received Sep 11 06:38:36 talk /usr/local/sbin/kamailio[17714]: INFO: <core> [main.c:819]: sig_usr(): signal 15 received Sep 11 06:38:36 talk /usr/local/sbin/kamailio[17685]: INFO: <core> [main.c:819]: sig_usr(): signal 15 received Sep 11 06:38:36 talk /usr/local/sbin/kamailio[17681]: {1 1094155754 NOTIFY TwGwmzx4wINnraJs1Gh3Kg..} INFO: <core> [main.c:819]: sig_usr(): s… received Sep 11 06:38:36 talk /usr/local/sbin/kamailio[17704]: INFO: <core> [main.c:819]: sig_usr(): signal 15 received Sep 11 06:38:36 talk /usr/local/sbin/kamailio[17689]: INFO: <core> [main.c:819]: sig_usr(): signal 15 received Sep 11 06:38:36 talk /usr/local/sbin/kamailio[17693]: INFO: <core> [main.c:819]: sig_usr(): signal 15 received Sep 11 06:38:36 talk /usr/local/sbin/kamailio[17691]: INFO: <core> [main.c:819]: sig_usr(): signal 15 received Sep 11 06:38:36 talk /usr/local/sbin/kamailio[17674]: INFO: <core> [core/sctp_core.c:53]: sctp_core_destroy(): SCTP API not initialized Hint: Some lines were ellipsized, use -l to show in full. --------------------------------------------------------------------- plz help thank you -- Regards: Gaurav Kumar _______________________________________________ Kamailio (SER) - Users Mailing List sr-users@lists.kamailio.org<mailto:sr-users@lists.kamailio.org> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users -- Henning Westerholt - https://skalatan.de/blog/ Kamailio services - https://skalatan.de/services