}
}
}
# preloaded route checking
if (loose_route()) {
xlog("L_ERR",
"Attempt to route with preloaded Route's [$fu/$tu/$ru/$ci]");
if (!is_method("ACK"))
sl_send_reply("403","Preload Route denied");
exit;
}
# record routing
if (!is_method("REGISTER|MESSAGE"))
record_route();
# account only INVITEs
if (is_method("INVITE")) {
setflag(ACC_DO); # do accounting
}
if (!uri==myself) {
append_hf("P-hint: outboundrn");
route(relay);
}
# requests for my domain
if (is_method("PUBLISH|SUBSCRIBE"))
{
sl_send_reply("503", "Service Unavailable");
exit;
}
if (is_method("REGISTER"))
{
#auth user using mysql DB
if (!www_authorize("192.168.139.121", "subscriber")) {
www_challenge("192.168.139.121", "0");
exit;
}
#end auth user
if ( 0 ) setflag(TCP_PERSISTENT);
if (!save("location"))
sl_reply_error();
exit;
}
if ($rU==NULL) {
# request with no Username in RURI
sl_send_reply("484","Address Incomplete");
exit;
}
# do lookup with method filtering
if (!lookup("location","m")) {
t_newtran();
t_reply("404", "Not Found");
exit;
}
# when routing via usrloc, log the missed calls also
setflag(ACC_MISSED);
route(relay);
}
route[relay] {
# for INVITEs enable some additional helper routes
if (is_method("INVITE")) {
t_on_branch("per_branch_ops");
t_on_reply("handle_nat");
#t_on_reply();
t_on_failure("missed_call");
}
if (!t_relay()) {
send_reply("500","Internal Error");
};
exit;
}
branch_route[per_branch_ops] {
xlog("new branch at $run");
}
onreply_route[handle_nat] {
xlog("incoming replyn");
}
failure_route[missed_call] {
if (t_was_cancelled()) {
exit;
}
# uncomment the following lines if you want to block client
# redirect based on 3xx replies.
##if (t_check_status("3[0-9][0-9]")) {
##t_reply("404","Not found");
## exit;
##}
}








