[Serusers] Setting up ser (configuring static forwarding)

[Robert Zettinger]

I have problems setting up Sip Express Router (SER). I have installed
it, and it seems to run fine, and my softphone seems to able to connect
to it. Just to see if it works, I want to set up ser to connect my
softphone to my friend's (his IP is 192.168.1.192). Therefore I change
the ser.cfg file to look like this: 

---------- 

# 
# $Id: ser.cfg,v 1.25.2.1 2005/02/18 14:30:44 andrei Exp $ 
# 
# simple quick-start config script 
# 

# ----------- global configuration parameters ------------------------ 

#debug=3 # debug level (cmd line: -dddddddddd) 
#fork=yes 
#log_stderror=no # (cmd line: -E) 

/* Uncomment these lines to enter debugging mode 
fork=no 
log_stderror=yes 
*/ 

check_via=no # (cmd. line: -v) 
dns=no # (cmd. line: -r) 
rev_dns=no # (cmd. line: -R) 
#port=5060 
#children=4 
fifo="/tmp/ser_fifo" 

# ------------------ module loading ---------------------------------- 

# Uncomment this if you want to use SQL database 
#loadmodule "../usr/local/lib/ser/modules/mysql.so" 

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/textops.so" 

# Uncomment this if you want digest authentication 
# mysql.so must be loaded ! 
#loadmodule "../usr/local/lib/ser/modules/auth.so" 
#loadmodule "../usr/local/lib/ser/modules/auth_db.so" 

# ----------------- setting module-specific parameters --------------- 

# -- usrloc params -- 

modparam("usrloc", "db_mode", 0) 

# Uncomment this if you want to use SQL database 
# for persistent storage and comment the previous line 
#modparam("usrloc", "db_mode", 2) 

# -- auth params -- 
# Uncomment if you are using auth module 
# 
#modparam("auth_db", "calculate_ha1", yes) 
# 
# If you set "calculate_ha1" parameter to yes (which true in this
config), 
# uncomment also the following parameter) 
# 
#modparam("auth_db", "password_column", "password") 

# -- rr params -- 
# add value to ;lr param to make some broken UAs happy 
modparam("rr", "enable_full_lr", 1) 

# ------------------------- request routing logic ------------------- 

# main routing logic 

route{ 

# initial sanity checks -- messages with 
# max_forwards==0, or excessively long requests 
if (!mf_process_maxfwd_header("10")) { 
sl_send_reply("483","Too Many Hops"); 
break; 
}; 
if (msg:len >= 2048 ) { 
sl_send_reply("513", "Message too big"); 
break; 
}; 


# we record-route all messages -- to make sure that 
# subsequent messages will go through our proxy; that's 
# particularly good if upstream and downstream entities 
# use different transport protocol 
if (!method=="REGISTER") record_route(); 

# subsequent messages withing a dialog should take the 
# path determined by record-routing 
if (loose_route()) { 
# mark routing logic in request 
append_hf("P-hint: rr-enforced\r\n"); 
route(1); 
break; 
}; 

if (uri=="sip:cooldude at company.se") { 
forward( 192.168.1.192, 5060); 
} 

if (!uri==myself) { 
# mark routing logic in request 
append_hf("P-hint: outbound\r\n"); 
route(1); 
break; 
}; 

# if the request is for other domain use UsrLoc 
# (in case, it does not work, use the following command 
# with proper names and addresses in it) 
if (uri==myself) { 

if (method=="REGISTER") { 

# Uncomment this if you want to use digest authentication 
# if (!www_authorize("iptel.org", "subscriber")) { 
# www_challenge("iptel.org", "0"); 
# break; 
# }; 

save("location"); 
break; 
}; 

lookup("aliases"); 
if (!uri==myself) { 
append_hf("P-hint: outbound alias\r\n"); 
route(1); 
break; 
}; 

# native SIP destinations are handled using our USRLOC DB 
if (!lookup("location")) { 
sl_send_reply("404", "Not Found"); 
break; 
}; 
}; 
append_hf("P-hint: usrloc applied\r\n"); 
route(1); 
} 

route[1] 
{ 
# send it out now; use stateful forwarding as it works reliably 
# even for UDP2TCP 
if (!t_relay()) { 
sl_reply_error(); 
}; 
} 


---------- 

Where 

if (uri=="sip:cooldude at company.se") { 
forward( 192.168.1.192, 5060); 
} 

is the only thing I have added to the original default config file that
comes with the distribution. I now want to enter
"sip:cooldude at company.se" in my softphone and get forwarded to
192.168.1.192. But nothing happens. Ideas?

 

I am using Linux 2.4.18-14 and ser 0.9.6.

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