[Serusers] Anyone can help me with sems

[Antonio Membrives]

The scenario are ser 0.9.3 + sems 0.9.0 + mediaproxy + mysql, al instances
are in the same machine
	
The code in my ser.cfg

	if (!lookup("location")) {
		if ((method=="INVITE" || method=="ACK") && t_newtran() ) {
			acc_db_request("Llamada perdida","missed_calls");
			if(!t_write_req("/tmp/am_fifo","voicemail")){
				t_reply("500","Error contacting sems
voicemail");
			};
			#t_reply("404", "Usuario no conectado");
	  		
		break;
     		};
	} else if(method=="BYE" || method == "CANCEL"){
			if(!t_write_req("/tmp/am_fifo","bye")){
				t_reply("500","Error contacting sems");
		};
	};
		sl_send_reply("404", "Usuario no encontrado");
		break;
	
	setflag(3);
	
when i call a offline user, the softphone make a call but I don't ear any
message or received any notification, anyone can help me?

this is /var/log/messages

Nov  3 11:04:56 dns2 ser[23838]: Maxfwd module- initializing 
Nov  3 11:04:56 dns2 ser[23838]: INFO: udp_init: SO_RCVBUF is initially
110592 
Nov  3 11:04:56 dns2 ser[23838]: INFO: udp_init: SO_RCVBUF is finally 262142

Nov  3 11:04:56 dns2 ser[23838]: INFO: udp_init: SO_RCVBUF is initially
110592 
Nov  3 11:04:56 dns2 ser[23838]: INFO: udp_init: SO_RCVBUF is finally 262142

Nov  3 11:04:56 dns2 ser[23847]: INFO: fifo process starting: 23847 
Nov  3 11:04:56 dns2 ser[23847]: SER: open_uac_fifo: fifo server up at
/tmp/ser_fifo... 
Nov  3 11:05:07 dns2 ser[23848]: WARNING: t_reply: ACKs are not replied 
Nov  3 11:05:08 dns2 ser[23849]: WARNING: t_reply: ACKs are not replied 
Nov  3 11:05:10 dns2 ser[23851]: WARNING: t_reply: ACKs are not replied 
Nov  3 11:05:14 dns2 ser[23849]: WARNING: t_reply: ACKs are not replied 
Nov  3 11:05:23 dns2 mediaproxy[3158]: command delete 3924182bdc181a37 info=
Nov  3 11:05:23 dns2 mediaproxy[3158]: command execution time:  0.20 ms