[Serusers] SER and Voicemail

Shad Mortazavi Shad.Mortazavi at nexusmgmt.com
Tue Jun 1 03:04:50 CEST 2004


Kamen,

Thank for the information, I may need a little more help to get me started.
I'm new to SER.

I have one SER box. I have SEMS on the SER box and I wish to use both
servers. 

When I do a service ser status and service sem status I see both are
running. 

What syntax do I use to forward to Voicemail? Do I need to;

1. Run a separate instance of SER on the same box? As suggested by;

http://iptel.org/cgi-bin/fom?file=92&showLastModified=show

2. Or do I insert the following configuration into my ser.cfg;

http://iptel.org/cgi-bin/fom?file=90&showLastModified=show ?

So my ser.cfg would look like (see part starting with #Voicemail users);

[shad at COSYDSER1 ser]# cat ser.cfg
#
# $Id: ser.cfg,v 1.21.4.1 2003/11/10 15:35:15 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
debug=7
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/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"
loadmodule "/usr/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
alias="192.168.0.206"
alias="cosydser1"
alias="convergenceone.com"

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 > max_len ) {
                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
        record_route();
        # loose-route processing
        if (loose_route()) {
                t_relay();
                break;
        };
        # if request URI is numerical, forward the request to PSTN
gateway...
        if (uri=~"^sip:[0-9]+ at convergenceone.com") { # match using a regular
expression
        forward( 192.168.0.241, 5060 );
        break;
        };
        # if request URI is numerical, forward the request to PSTN
gateway...
        if (uri=~"^sip:[0-9]+ at 192.168.0.206") { # match using a regular
expression
        forward( 192.168.0.241, 5060 );
        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)
 		

	  #Voicemail users
	  if (uri==myself) { # vm only for my domain ...


  /* if this is an in-dialog request from voicemail, jump out of
     proxy mode and pass the request to voicemail; you need to have
     'user_prefix_separator=+' in sems.conf
   */
  if (uri=~"sip:voicemail\+") { 
                /* some transaction processing to absorb retransmissions;
                   the key part is "vm", which passes requests to the
                   SEMS machine (we should better integrate all this stuff
                   in a single command someday, sorry scriptwriters
                */
                t_newtran();
                t_reply("100", "trying -- just a second");
                if (!vm("/tmp/am_fifo","announcement")) {
                        t_reply("500", "SEMS error");
                };
                break;
  };


  if (!lookup()) { # user off-line?
             if (method=="INVITE" || method=="ACK") {
                       t_newtran();
                       t_reply("100", "trying -- just a second");
                       if (!vm("/tmp/am_fifo","announcement")) {
                             t_reply("500", "SEMS error");
                       };
                        break;
              };
              # non-VoIP methods for off-line users will just
              # just return 404
              sl_send_reply("404", "Not Found");
              break;
 };
 # continue with online users....       
 	  
	  if (uri==myself) {

                if (method=="REGISTER") {

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

                        save("location");
                        break;
                };
               lookup("aliases");
                # native SIP destinations are handled using our USRLOC DB
                if (!lookup("location")) {
                        sl_send_reply("404", "Not Found");
                        break;
                };
        };
        # forward to current uri now; use stateful forwarding; that
        # works reliably even if we forward from TCP to UDP
        if (!t_relay()) {
                sl_reply_error();
        };

}



As always.. Thanks

Warm Regards

Shad
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