SER und RTPPROXY als Vermittler zwischen IPv4 und IPv6

#
# $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=2
fifo="/tmp/ser_fifo"

listen=139.6.16.83
listen=3000:0:0:12::30

# ------------------ 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"

# NAT-Traversal usw
loadmodule "/usr/lib/ser/modules/nathelper.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)

# -------- Parameter des Nathelper - Moduls --------

modparam("nathelper", "rtpproxy_sock", "/var/run/rtpproxy.sock")

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

# me, myself & I:
alias="139.6.16.83"
alias="3000:0:0:12::30"
alias="ipv6sipserv.nt.fh-koeln.de"
alias="ipv6sipserv.ipv6.fh-koeln.de"
alias="ipv6sipserver.ipv6.fh-koeln.de"
alias="sipserver.ipv6.fh-koeln.de"
alias="sipserver"
alias="ipv6sipserv"

# main routing logic

route {
        # initial sanity checks -- messages with
        # max_forwars == 0, or excessively long requests,
        # or those that don't addressed to us
        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;
        };

        # route invitation request to other domains
        if (!(uri == myself) && method == "INVITE") {
                record_route();
                if (!t_relay())
                        sl_reply_error();
                break;
        };
        if (method == "REGISTER") {
                if (af == inet) {
                        save("location_inet4");
                } else if (af == inet6) {
                        save("location_inet6");
                } else {
                        sl_send_reply("403", "Anmeldung fehlgeschlagen!");
                };
                break;
        };

        if (method == "INVITE") {
                ################################
                ### CASE: Anrufer nutzt IPv4 ###
                ################################
                if (lookup("location_inet4")) {

                # Comment out three lines below if you want
                # RTP for IPv4->IPv4 calls to go directly
                # between UAs

                ######
                ### CASE: Beide nutzen IPv4
                ######
                if (af == inet)
                        if (force_rtp_proxy("FAII"))
                        #if (force_rtp_proxy())
                                t_on_reply("1");

                # proxy session from a Internal IPv4
                # phone to a External IPv6 address

                ######
                ### CASE: Anrufer nutzt IPv4, Anzurufender IPv6
                ######
                if (af == inet6)
                        if (force_rtp_proxy("FAIE"))
                                t_on_reply("1");
                }

                ################################
                ### CASE: Anrufer nutzt IPv6 ###
                ################################
                else if (lookup("location_inet6")) {

                # proxy session from a External IPv6
                # phone to a Internal IPv4 address

                ######
                ### CASE: Anrufer nutzt IPv6, Anzurufender IPv4
                ######
                if (af == inet)
                        if (force_rtp_proxy("FAEI"))
                                t_on_reply("1");

                # Comment out three lines below if you want
                # RTP for IPv6->IPv6 calls to go directly
                # between UAs

                ######
                ### CASE: Beide nutzen IPv6
                ######
                if (af == inet6)
                        if (force_rtp_proxy("FAEE"))
                                t_on_reply("1");
                }

                else {
                        sl_send_reply("403", "User nicht erreichbar oder unbekannt!");
                        break;
                };
        };

        if (method == "BYE" || method == "CANCEL")
                unforce_rtp_proxy();

        # Do strict routing if pre-loaded route headers present
        if (loose_route()) {
        t_relay();
        break;
        };

        if (method == "INVITE")
        record_route();

        if (!t_relay())
        sl_reply_error();
}

onreply_route[1] {
        if (!(status=~"183" || status=~"200"))
                break;
        force_rtp_proxy("FA");
}