Am using SER 8.14 and media proxy. Call between my UA are fine without any issue but when I fordward the calls to the PSTN service provider gateway the voice is one way. PSTN user call hear me but I can't. Below is my complete configure with Ip modified.

Thanks in Advance.

#

# $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=7 # debug level (cmd line: -dddddddddd)

fork=yes

log_stderror=yes # (cmd line: -E)

/* Uncomment these lines to enter debugging mode

*/

listen=233.x.x.x.

port=5060

#debug=20

#fork=no

#log_stderror=yes

reply_to_via=no

check_via=no # (cmd. line: -v)

dns=no # (cmd. line: -r)

rev_dns=no # (cmd. line: -R)

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/acc.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"

loadmodule "/usr/local/lib/ser/modules/xlog.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"

#loadmodule "/usr/local/lib/ser/modules/auth_radius.so"

loadmodule "/usr/local/lib/ser/modules/domain.so"

loadmodule "/usr/local/lib/ser/modules/mediaproxy.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")

# -- acc params --

#modparam("acc", "log_level", 7)

#modparam("acc", "radius_flag", 1)

# -- rr params --

# add value to ;lr param to make some broken UAs happy

modparam("rr", "enable_full_lr", 1)

# -- nat ping --

modparam("mediaproxy", "natping_interval", 10)

modparam("mediaproxy", "mediaproxy_socket", "/var/run/mediaproxy.sock")

# ------------------------- 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 > 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

# setflag(1);

if (loose_route()) {

t_relay();

break;

};

# -- nat code --

if (method == "BYE" || method == "CANCEL") {

end_media_session();

};

if (client_nat_test("3")) {

if (method == "REGISTER" || ! search("^Record-Route:")) {

fix_contact();

force_rport();

};

};

if (method=="INVITE") {

use_media_proxy();

t_on_reply("1");

setflag(6);

};

# 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 (!radius_www_authorize("")) {

# www_challenge("", "0");

# break;

# };

save("location");

break;

};

# setflag(1);

# native SIP destinations are handled using our USRLOC DB

if (!lookup("location")) {

log (1, "********************** Rewriting the host:port ***********************************");

rewritehostport ("234.y.y.y.:5060");

};

};

if (method == "INVITE"){

t_relay();

sl_send_reply ("180", "Ringing");

break;

}

if (!t_relay()) {

sl_send_reply("404", "Not Found");

break;

};

# -- nat code ----

}

onreply_route[1] {

if (status=~"(183)|2[0-9][0-9]") {

if (client_nat_test("1")) {

fix_contact();

};

use_media_proxy();

};

if (status=~"[3-4]0[0-9]") {

end_media_session();

break;

};

}

[root@simu ser]#

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