Hi Nick,
What version of OpenSIPS are you using?
Since 1.6.3, the force_rtp_proxy function does exist anymore. It has
been replaced with rtpproxy_offer/answer functions.
Regards,
--
Răzvan Crainea
OpenSIPS Developer
On 13.10.2011 11:30, Nick wrote:
Hello
When I start opensips. It display error. Can you give me any suggest?
Thanks
Oct 13 16:27:49 [20343] DBG:core:find_cmd_export_t: <force_rtp_proxy>
not found
Oct 13 16:27:49 [20343] DBG:core:find_cmd_export_t: <force_rtp_proxy>
not found
Oct 13 16:27:49 [20343] CRITICAL:core:yyerror: parse error in config
file, line 231, column 19-20: unknown command <force_rtp_proxy>,
missing loadmodule?
Oct 13 16:27:49 [20343] DBG:core:find_cmd_export_t: found
<t_on_reply>(1) in module tm [/usr/local/lib64/opensips/modules/]
Oct 13 16:27:49 [20343] DBG:core:find_cmd_export_t: found <t_relay>(0)
in module tm [/usr/local/lib64/opensips/modules/]
Oct 13 16:27:49 [20343] DBG:core:find_cmd_export_t: found
<sl_reply_error>(0) in module sl [/usr/local/lib64/opensips/modules/]
Oct 13 16:27:49 [20343] DBG:core:find_cmd_export_t: found
<fix_nated_contact>(0) in module nathelper
[/usr/local/lib64/opensips/modules/]
Oct 13 16:27:49 [20343] DBG:core:find_cmd_export_t: <force_rtp_proxy>
not found
Oct 13 16:27:49 [20343] DBG:core:find_cmd_export_t: <force_rtp_proxy>
not found
Oct 13 16:27:49 [20343] CRITICAL:core:yyerror: parse error in config
file, line 251, column 19-20: unknown command <force_rtp_proxy>,
missing loadmodule?
Oct 13 16:27:49 [20343] DBG:core:find_cmd_export_t: found
<nat_uac_test>(1) in module nathelper
[/usr/local/lib64/opensips/modules/]
Oct 13 16:27:49 [20343] DBG:core:find_cmd_export_t: found
<fix_nated_contact>(0) in module nathelper
[/usr/local/lib64/opensips/modules/]
Oct 13 16:27:49 [20343] ERROR:core:main: bad config file (2 errors)
It's my config for nat
#
# $Id: nathelper.cfg 8160 2011-07-12 15:54:30Z bogdan_iancu $
#
# simple quick-start config script including nathelper support
# This default script includes nathelper support. To make it work
# you will also have to install Maxim's RTP proxy. The proxy is enforced
# if one of the parties is behind a NAT.
#
# If you have an endpoing in the public internet which is known to
# support symmetric RTP (Cisco PSTN gateway or voicemail, for example),
# then you don't have to force RTP proxy. If you don't want to enforce
# RTP proxy for some destinations than simply use t_relay() instead of
# route(1)
#
# Sections marked with !! Nathelper contain modifications for nathelper
#
# NOTE !! This config is EXPERIMENTAL !
#
# ----------- global configuration parameters ------------------------
debug=4 # debug level (cmd line: -dddddddddd)
fork=yes
log_stderror=yes # (cmd line: -E)
/* Uncomment these lines to enter debugging mode
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
db_default_url="postgres://opensips:opensipsrw@10.10.12.100/opensips"
# ------------------ module loading ----------------------------------
#set module path
mpath="/usr/local/lib64/opensips/modules/"
# Uncomment this if you want to use SQL database
#loadmodule "db_mysql.so"
loadmodule "db_postgres.so"
loadmodule "sl.so"
loadmodule "tm.so"
loadmodule "signaling.so"
loadmodule "rr.so"
loadmodule "maxfwd.so"
loadmodule "usrloc.so"
loadmodule "registrar.so"
loadmodule "textops.so"
loadmodule "mi_fifo.so"
loadmodule "uri.so"
loadmodule "acc.so"
# Uncomment this if you want digest authentication
# db_mysql.so must be loaded !
#loadmodule "auth.so"
#loadmodule "auth_db.so"
# !! Nathelper
loadmodule "nathelper.so"
#loadmodule "nat_traversal.so"
#loadmodule "rtpproxy.so"
loadmodule "dialog.so"
# ----------------- setting module-specific parameters ---------------
# -- mi_fifo params --
modparam("mi_fifo", "fifo_name", "/tmp/opensips_fifo")
# -- 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)
# ----- uri params -----
modparam("uri", "use_uri_table", 0)
# ----- acc params -----
/* what sepcial events should be accounted ? */
modparam("acc", "early_media", 1)
modparam("acc", "report_cancels", 1)
/* by default ww do not adjust the direct of the sequential requests.
if you enable this parameter, be sure the enable "append_fromtag"
in "rr" module */
modparam("acc", "detect_direction", 0)
/* account triggers (flags) */
modparam("acc", "failed_transaction_flag", 3)
modparam("acc", "log_flag", 1)
modparam("acc", "log_missed_flag", 2)
/* uncomment the following lines to enable DB accounting also */
modparam("acc", "db_flag", 1)
modparam("acc", "db_missed_flag", 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")
# !! Nathelper
modparam("usrloc","nat_bflag",6)
modparam("nathelper","sipping_bflag",8)
modparam("nathelper", "ping_nated_only", 1) # Ping only clients behind
NAT
# ------------------------- 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");
exit;
};
if (msg:len >= 2048 ) {
sl_send_reply("513", "Message too big");
exit;
};
# !! Nathelper
# Special handling for NATed clients; first, NAT test is
# executed: it looks for via!=received and RFC1918 addresses
# in Contact (may fail if line-folding is used); also,
# the received test should, if completed, should check all
# vias for rpesence of received
if (nat_uac_test("3")) {
# Allow RR-ed requests, as these may indicate that
# a NAT-enabled proxy takes care of it; unless it is
# a REGISTER
if (is_method("REGISTER") || !is_present_hf("Record-Route")) {
log("LOG:Someone trying to register from private IP, rewriting\n");
# This will work only for user agents that support symmetric
# communication. We tested quite many of them and majority is
# smart enough to be symmetric. In some phones it takes a
# configuration option. With Cisco 7960, it is called
# NAT_Enable=Yes, with kphone it is called "symmetric media" and
# "symmetric signalling".
# Rewrite contact with source IP of signalling
fix_nated_contact();
if ( is_method("INVITE") ) {
fix_nated_sdp("1"); # Add direction=active to SDP
};
force_rport(); # Add rport parameter to topmost Via
setbflag(6); # Mark as NATed
# if you want sip nat pinging
# setbflag(8);
};
};
# subsequent messages withing a dialog should take the
# path determined by record-routing
if (loose_route()) {
# mark routing logic in request
append_hf("P-hint: rr-enforced\r\n");
route(1);
exit;
};
# 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
if (!is_method("REGISTER"))
record_route();
if (!uri==myself) {
# mark routing logic in request
append_hf("P-hint: outbound\r\n");
route(1);
exit;
};
# 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 (is_method("REGISTER")) {
# Uncomment this if you want to use digest authentication
#if (!www_authorize("siphub.org", "subscriber")) {
# www_challenge("siphub.org", "0");
# return;
#};
save("location");
exit;
};
lookup("aliases");
if (!uri==myself) {
append_hf("P-hint: outbound alias\r\n");
route(1);
exit;
};
# native SIP destinations are handled using our USRLOC DB
if (!lookup("location")) {
sl_send_reply("404", "Not Found");
exit;
};
};
append_hf("P-hint: usrloc applied\r\n");
route(1);
}
route[1]
{
# !! Nathelper
if (uri=~"[@:](192\.168\.|10\.|172\.(1[6-9]|2[0-9]|3[0-1])\.)" &&
!search("^Route:")){
sl_send_reply("479", "We don't forward to private IP addresses");
exit;
};
# if client or server know to be behind a NAT, enable relay
if (isbflagset(6)) {
force_rtp_proxy();
};
# NAT processing of replies; apply to all transactions (for example,
# re-INVITEs from public to private UA are hard to identify as
# NATed at the moment of request processing); look at replies
t_on_reply("1");
# send it out now; use stateful forwarding as it works reliably
# even for UDP2TCP
if (!t_relay()) {
sl_reply_error();
};
}
# !! Nathelper
onreply_route[1] {
# NATed transaction ?
if (isbflagset(6) && status =~ "(183)|2[0-9][0-9]") {
fix_nated_contact();
force_rtp_proxy();
# otherwise, is it a transaction behind a NAT and we did not
# know at time of request processing ? (RFC1918 contacts)
} else if (nat_uac_test("1")) {
fix_nated_contact();
};
}
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