I'm using SER to shuttle calls between softswitches. I have "softswitch A" sending calls to the SER proxy, which then does an enum lookup to make a routing decision and then passes the call on to the appropriate softswitch. I have been having some strange problems with the setup and some questions about my config. I sometimes get: Nov 10 21:14:01 cpser ser[22087]: 483 Too many Hops Nov 10 21:14:01 cpser ser[22087]: Warning: sl_send_reply: I won't send a reply for ACK!! This mostly happens after I do a serctl restart to reload my config. I assume that is because ACKs are coming in that the stateful transaction processor doesn't know where to forward them to since I restarted? There's no other way to reload a config other than a full restart, correct? Also I see a lot of "408 Request Timeout" from far end gateways. Is there something wrong with my config? Here is my config: modparam("acc","radius_flag",1) modparam("acc","failed_transactions",0) modparam("tm", "fr_inv_timer", 5 ) route{ if ( !mf_process_maxfwd_header("10") ) { xlog("L_ERR","483 Too many Hops"); sl_send_reply("483","Too Many Hops"); drop(); }; if (msg:len >= 2048 ) { xlog("L_ERR","513 Message too Big"); sl_send_reply("513", "Message too big"); break; }; setflag(1); if (loose_route()) { t_relay(); break; }; if (method =="BYE") { if ( !t_relay()) { sl_reply_error(); } break; }; if (method =="CANCEL") { if ( !t_relay()) { sl_reply_error(); } break; }; if (method =="ACK") { if ( !t_relay()) { sl_reply_error(); } break; }; if (method =="INVITE") { record_route(); if (uri=~"^sip:[2-9]+@*") { prefix("+"); if ( !enum_query("e164.internal.net")) { strip(1); prefix("1"); rewritehost("192.168.10.5"); xlog("L_ERR","NANPA number to %tu from %fu carrier %ru\n"); t_on_failure("1"); t_relay(); break; } xlog("L_ERR","NANPA-ENUM number to %tu from %fu carrier %ru\n"); t_on_failure("1"); t_relay(); }; # end if block method = invite } } failure_route[1] { if(t_check_status("501|502|503|504|505|513")) { setflag(1); revert_uri(); rewritehost("192.168.50.3"); append_branch(); xlog("L_ERR","FAIL-5XX number to %tu from %fu carrier %ru\n"); t_relay(); } }