[Serusers] radius accounting stop

hello i am not getting accounting stop on Radius. only accounting start is comming. can any one tell me what is the problem in my configuration. thanks in advance Kamran ser.cfg ------------------------------------------------- debug=3 # debug level (cmd line: -dddddddddd) fork=yes log_stderror=no # (cmd line: -E) port=5060 fifo="/tmp/ser_fifo" loadmodule "/usr/local/lib/ser/modules/sl.so" loadmodule "/usr/local/lib/ser/modules/tm.so" loadmodule "/usr/local/lib/ser/modules/rr.so" loadmodule "/usr/local/lib/ser/modules/maxfwd.so" loadmodule "/usr/local/lib/ser/modules/usrloc.so" loadmodule "/usr/local/lib/ser/modules/registrar.so" loadmodule "/usr/local/lib/ser/modules/auth_radius.so" loadmodule "/usr/local/lib/ser/modules/acc.so" loadmodule "/usr/local/lib/ser/modules/auth.so" modparam("auth_radius","radius_config","/usr/local/etc/radiusclient/radiusclient.conf") modparam("auth_radius","service_type",15) modparam("acc", "radius_config", "/usr/local/etc/radiusclient/radiusclient.conf") modparam("acc", "log_level", 1) modparam("acc", "log_flag" , 1) modparam("acc", "radius_flag", 1) #end of radius configuration route { if (!mf_process_maxfwd_header("10")) { sl_send_reply("483","Too Many Hops"); break; }; if ( msg:len > max_len ) { sl_send_reply("513", "Message too big"); break; }; record_route(); if (loose_route()) { t_relay(); break; }; setflag(1); if (method=="INVITE") record_route(); if (method=="INVITE") { rewritehostport("mygwIP:5060"); } if (uri==myself) { if (method=="REGISTER") { if(!radius_www_authorize("")) { www_challenge("","0"); break; } save("location"); break; }; }; if (!t_relay()) { sl_reply_error(); }; } __________________________________ Do you Yahoo!? Yahoo! Mail - 250MB free storage. Do more. Manage less. http://info.mail.yahoo.com/mail_250