mpath="/usr/opensips/akt/lib64/opensips/modules/"
loadmodule "proto_udp.so"
loadmodule "mi_fifo.so"
loadmodule "db_mysql.so"
loadmodule "sl.so"
loadmodule "tm.so"
loadmodule "rr.so"
loadmodule "maxfwd.so"
loadmodule "uac.so"
loadmodule "auth.so"
loadmodule "textops.so"
loadmodule "sipmsgops.so"
loadmodule "uri.so"
loadmodule "dialplan.so"
loadmodule "drouting.so"
loadmodule "avpops.so"
loadmodule "acc.so"
loadmodule "exec.so"
loadmodule "signaling.so"
loadmodule "perl.so"
loadmodule "dialog.so"
loadmodule "sst.so"
loadmodule "cfgutils.so"
loadmodule "cachedb_local.so"
loadmodule "benchmark.so"
loadmodule "topology_hiding.so"
loadmodule "nathelper.so"
#loadmodule "rtpengine.so"
loadmodule "rtpproxy.so"


# ----------------- setting module-specific parameters ---------------
modparam("domain|dialplan|drouting|dialog|avpops|uri", "db_url","mysql://xxx:xxx")

modparam("mi_fifo", "fifo_name", "/usr/opensips/tmp/opensips_fifo")
modparam("mi_fifo", "fifo_mode", 0666)

modparam("rtpproxy", "rtpproxy_sock", "udp:10.249.152.6:7890")
#modparam("rtpproxy", "rtpp_notify_socket", "udp:10.249.152.5:9999")

modparam("db_mysql", "timeout_interval", 2)

modparam("tm", "onreply_avp_mode", 1)                                   # stateful mode. jetzt kann ich avp's im Request setzen und in den replys auswerten (per branch!).
modparam("tm", "pass_provisional_replies", 0)
modparam("tm", "fr_timeout",15)                                                 # wartet auf provisional response
modparam("tm", "fr_inv_timeout", 90)                                    # startet mit provisional response, ended bei final response
modparam("tm", "restart_fr_on_each_reply", 0)
modparam("tm", "disable_6xx_block", 1)                                  # mit TESS kann ich das nicht brauchen
modparam("tm", "auto_100trying", 0)

modparam("uac","restore_mode","auto")                                   # default is auto       # muss auch fuer den Wechsel des To HF

modparam("drouting", "use_domain", 1)                                   # ? braucht man das?
modparam("drouting", "probing_interval", 0)                     # Probing ausgeschaltet mh 3.4.2014
modparam("drouting", "force_dns", 0)

modparam("dialog", "db_mode", 3)                        # 3 - SHUTDOWN - the dialog information will be flushed into DB only at shutdown - no runtime updates.
modparam("dialog", "profiles_with_value", "maxCalls; maxCallsID; inroute")
modparam("dialog", "dlg_match_mode", 1)                 # the match is first tried based on DID and if not present, it will fallback to SIP matching; (wir setzten die did ins CONTACT hf)
modparam("dialog", "default_timeout", 43200)            # Wenn 24 Stunden (86400) keine BYE kam, wird der Dialog beendet

modparam("sst", "min_se", 1800)                                                 #1800
modparam("sst", "sst_interval", 2400)                           #2400
modparam("sst", "sst_flag", "SST_FLAG")

modparam("acc", "extra_fields", "log: switch; internal_ci; related_inc_cdrs; time; us; si; inroute; outroute; bno_in; bno_out; snr; ziel; tu; ai; fu; diverting_no; cpc; privacy; ua; received; p-germany-tariff; switch_dur; init; reaction_time; eos") # final
modparam("acc", "log_facility", "LOG_LOCAL1")                   # /etc/rsyslog.conf hat einen Eintrag "local1.*  -/var/log/opensips/acc.log"
modparam("acc", "log_level", -2)                                                                        # Log level "crit" at which accounting messages are issued to syslog and further on to acc.log
modparam("acc", "early_media", 0)               # 183 & 180 events (0-nur fuer test)
modparam("acc", "report_cancels", 0)

modparam("exec", "time_to_kill", 5)             # Specifies the longest time a program is allowed to execute.
modparam("exec", "setvars", 0)
modparam("perl", "filename", "/usr/opensips/scripts/perlfunctions.pl")
modparam("perl", "modpath", "/usr/opensips/akt/lib64/opensips/perl")
modparam("benchmark", "enable", 1)
modparam("benchmark", "granularity", 1)
modparam("uri", "use_uri_table", 0)




apart from rtpproxy_unforce(); at couple of places this is the piece dealing with rtpproxy:
this route will be called from main route, failure route and from reply route

route[rtpp] {
        if(has_body("application/sdp")) {
                if ($avp(trace) == "log") xlog("L_INFO",".......... got $dlg_val(msg_dir) Message for call from $avp(incoming) to $avp(outgoing)...................");
                $avp(rtpengine_flags) = "froc";
                if ($dlg_val(msg_dir)=~"down") { # msg down - invite/reply von a nach b?
                        if ($avp(incoming)=="external") {
                                $avp(rtpengine_flags) = $avp(rtpengine_flags) + "e";
                        }else{
                                $avp(rtpengine_flags) = $avp(rtpengine_flags) + "i";
                        }
                        if ($avp(outgoing)=="external") {
                                $avp(rtpengine_flags) = $avp(rtpengine_flags) + "e";
                        }else{
                                $avp(rtpengine_flags) = $avp(rtpengine_flags) + "i";
                        }
                }else{
                        if ($avp(outgoing)=="external") {
                                $avp(rtpengine_flags) = $avp(rtpengine_flags) + "e";
                        }else{
                                $avp(rtpengine_flags) = $avp(rtpengine_flags) + "i";
                        }
                        if ($avp(incoming)=="external") {
                                $avp(rtpengine_flags) = $avp(rtpengine_flags) + "e";
                        }else{
                                $avp(rtpengine_flags) = $avp(rtpengine_flags) + "i";
                        }
                }

                if ($avp(rtpp_offer)=="true") {   # mh 08.11.2017 wenn die erste Choice fehlschlaegt, muss bei der 2ten nochmal ein offer her. Das war nicht fall bei "$avp(rtpp_offer)"... das brauchen wir aber fuer reInvites
                        if ( $avp(trace) == "log" ) { xlog("L_INFO","........... rtpengine_offer($avp(rtpengine_flags))"); };
                        rtpproxy_offer("$avp(rtpengine_flags)");
                }else{
                        if ( $avp(trace) == "log" ) { xlog("L_INFO","........... rtpengine_answer($avp(rtpengine_flags))"); };
                        rtpproxy_answer("$avp(rtpengine_flags)");
                        $avp(rtpp_answered)="true";
                }
        }
        route(set_socket);
}