Take a look at the new param: https://kamailio.org/docs/modules/5.3.x/modules/dispatcher.html#dispatcher.… Up to version 5.2, regular AVPs were used, but starting with version 5.3 the regular AVPs were replaced by an XAVP. Regards, Ovidiu Sas On Thu, Jun 11, 2020 at 04:48 MaabSaleeem ***(a)***.***&gt; wrote: This is the error I get when I run ./kamailio -f /etc/kamailio/kamailio.cfg -E ------------------------------ loading modules under config path: /usr/lib64/kamailio/modules_k/:/usr/lib64/kamailio/modules/:/usr/lib/kamailio/modules_k/:/usr/lib/kamailio/modules/ 0(28369) ERROR: [core/modparam.c:140]: set_mod_param_regex(): parameter <dst_avp> of type <1> not found in module 0(28369) CRITICAL: [core/cfg.y:3539]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 378, column 61: Can't set module parameter 0(28369) ERROR: [core/modparam.c:140]: set_mod_param_regex(): parameter <grp_avp> of type <1> not found in module 0(28369) CRITICAL: [core/cfg.y:3539]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 379, column 61: Can't set module parameter 0(28369) ERROR: [core/modparam.c:140]: set_mod_param_regex(): parameter <cnt_avp> of type <1> not found in module 0(28369) CRITICAL: [core/cfg.y:3539]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 380, column 61: Can't set module parameter 0(28369) ERROR: [core/modparam.c:140]: set_mod_param_regex(): parameter <sock_avp> of type <1> not found in module 0(28369) CRITICAL: [core/cfg.y:3539]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 381, column 63: Can't set module parameter ERROR: bad config file (4 errors) ------------------------------ These are the lines 378-381 from the config file modparam("dispatcher", "dst_avp", "$avp(DISPATCHER_DST_AVP)") modparam("dispatcher", "grp_avp", "$avp(DISPATCHER_GRP_AVP)") modparam("dispatcher", "cnt_avp", "$avp(DISPATCHER_CNT_AVP)") modparam("dispatcher", "sock_avp", "$avp(DISPATCHER_SOCK_AVP)") — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#2355>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ABO7UZLSQCFE3VOERWK3PRTRWCKTZANCNFSM4N3GNQYA> . _______________________________________________ Kamailio (SER) - Development Mailing List ***(a)***.*** https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-dev -- VoIP Embedded, Inc. http://www.voipembedded.com