I suspect what happens is that you forward the requests with your server's address in its r-uri to gateway "as is" and the Cisco gateway would like to see its IP address in the r-uri instead. Try rewriting r-uri -- see bellow.

As for the Messenger problem, see our doc http://www.iptel.org/ser/doc/seruser-html/x878.html#AEN890

-Jiri

At 11:04 AM 3/5/2003, Rikard Westlund wrote:

Hi all,

I have a Ser 0.8.10-2 install on a Redhat 7.3 kernel 2.4.18-3.

As clients I use Pingtel and messenger 4.7. I have followed the setup guide on http://www.fitawi.com/ser-Howto.html

I can register the pingtel phone with no problem. I can call from the PSTN to the pingtel via a Cisco AS5300 with no problems.

When i try toi call from pingtel to PSTN iget the following answer:

1. from pingtel to ser - INVITE sip:<pstnnumber>@serserver_ip
2. from ser to pingtel - Status: 100 trying
3. from ser to cisco - INVITE sip:<pstnnumber>@serserver_ip
4. from cisco to ser - Status: 400 bad request - ínvalid IP address'
5. from cisco to ser - Status: 400 bad request - ínvalid IP address'

This is my ser.cfg:

# $Id: ser.cfg,v 1.12 2002/10/21 02:40:06 jiri Exp $ # # simple quick-start config script #

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

debug=4 # debug level (cmd line: -dddddddddd) fork=yes log_stderror=no # (cmd line: -E) 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/lib/ser/modules/mysql.so"

loadmodule "//usr/lib/ser/modules/sl.so" loadmodule "//usr/lib/ser/modules/tm.so" loadmodule "//usr/lib/ser/modules/rr.so" loadmodule "//usr/lib/ser/modules/maxfwd.so" loadmodule "//usr/lib/ser/modules/usrloc.so" loadmodule "//usr/lib/ser/modules/registrar.so"

# Uncomment this if you want digest authentication # mysql.so must be loaded ! loadmodule "//usr/lib/ser/modules/auth.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", "secret", "alsdkhglaksdhfkloiwr") modparam("auth", "calculate_ha1", yes) # # If you set "calculate_ha1" parameter to yes (which true in this config), # uncomment also the following parameter) # modparam("auth", "password_column", "password")

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

# main routing logic

route{

   # initial sanity checks -- messages with
   # max_forwars==0, or excessively long requests
   if (!mf_process_maxfwd_header("10")) {
           sl_send_reply("483","Too Many Hops");
           break;
   };
   if (len_gt( max_len )) {
           sl_send_reply("513", "Message too big");
           break;
   };


   # Do strict routing if pre-loaded route headers present
   rewriteFromRoute();

   # 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("norrtull.nexus.se", "subscriber")) { www_challenge("norrtull.nexus.se", "0"); break; };

                   save("location");
                   break;
           };

# attempt handoff to PSTN

           if (uri=~"^sip:1[0-9]*@norrtull.nexus.se") {  ##  This assumes that the caller is
                  log("Forwarding to PSTN\n");      ##  registered in our realm

*** here *** rewrite uri prior to fwd-ing. rewritehostport("cisco_ip:5060");

                  t_relay_to( "cisco_ip", "5060");  ##  Our Cisco router
                  break;
           };


           # native SIP destinations are handled using our USRLOC DB
           if (!lookup("location")) {
                   sl_send_reply("404", "Not Found");
                   break;
           };
   };
   # forward to current uri now
   if (!t_relay()) {
           sl_reply_error();
   };

}

---

In the cisco I have the following config:

! dail-peer voice 25 voip destination-pattern XXXX session protocol sipv2 codec g711alaw no vad session target ipv4:serserver_ip !

I have added 2 subscribers with the serctl command and registration is working well from pingtel. In Messenger 4.7 it's not working at all. I get 401 Unauthorized.

Well I think thats about it..

Please feel free to contact me if you need more information

Best regards

Rikard Westlund

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