Hi i am trying to config Openser to talk to Freeradius i install openser on first PC : 192.168.1.4 i install freeradius on second PC : 192.168.1.5 on the Openser, i change:         edit /etc/radiusclient-ng/radiusclients.conf : authserver & accserver      192.168.1.5         edit etc/radiusclient-ng/servers : 192.168.1.5 openser on the FreeRadius, i change:         edit clients.conf : listen { 192.168.1.4 ....} but when i make call Openser doesnt talk to FreeRadius does any ideal on it my openser config: modparam("mi_fifo", "fifo_name", "/tmp/openser_fifo") modparam("registrar", "received_avp", "$avp(i:42)") modparam("usrloc", "db_mode", 2) modparam("usrloc", "nat_bflag", 4) modparam("auth_db", "calculate_ha1", 1) modparam("auth_db", "password_column", "password") modparam("rr", "enable_full_lr", 1) modparam("auth_db|permissions|uri_db|usrloc","db_url","mysql://openser:openserrw@localhost/openser") modparam("permissions", "db_mode", 1) modparam("permissions", "trusted_table", "trusted") modparam("avpops", "avp_url", "mysql://openser:openserrw@localhost/openser") modparam("avpops", "avp_table", "usr_preferences") modparam("nathelper","rtpproxy_disable", 1) modparam("nathelper","natping_interval", 0) modparam("nathelper","received_avp", "$avp(i:42)") modparam("mediaproxy","natping_interval",20) modparam("mediaproxy","mediaproxy_socket", "/var/run/mediaproxy.sock") modparam("mediaproxy","sip_asymmetrics","/etc/openser/sip-clients") modparam("mediaproxy","rtp_asymmetrics","/ect/openser/rtp-clients") modparam("acc", "radius_config",      "/etc/radiusclient-ng/radiusclient.conf") modparam("acc", "radius_flag",        2) modparam("acc", "radius_missed_flag", 3) modparam("acc", "radius_extra",  "User-Name=$Au; \                               Calling-Station-Id=$from; \                               Called-Station-Id=$to; \                               Sip-Translated-Request-URI=$ruri; \                               Sip-RPid=$avp(s:rpid); \                               Source-IP=$si; \                               Source-Port=$sp; \                               Canonical-URI=$avp(s:can_uri); \                               Billing-Party=$avp(s:billing_party); \                                 Divert-Reason=$avp(s:divert_reason); \                               X-RTP-Stat=$hdr(X-RTP-Stat); \                               Contact=$hdr(contact); \                               Event=$hdr(event); \                               SIP-Proxy-IP=$avp(s:sip_proxy_ip); \                               ENUM-TLD=$avp(s:enum_tld)") oute[3] {     ## Requests handler     if (method=="INVITE") {         # Account INVITE packets         setflag(2);         # Account Missed calls         setflag(3);         # Radius Extra         $avp(s:sip_proxy_ip)="192.168.1.5";     }; Thanks