We have two different approches to testing nat in the rtpproxy and
mediaproxy configs that introduced the error. We are discussing how to
resolve this before notifying people about this issue.
Try:
192. onreply_route[1] {
193.
194. if (isflagset(6) && status=~"(180)|(183)|2[0-9][0-9]") {
195. if (!search("^Content-Length:\ 0")) {
196. force_rtp_proxy();
197. };
198. } else if (nat_uac_test("1")) {
199. fix_nated_contact();
200. };
201. }
fix_nated_contact() should go in between line 194 and 195.
g-(
Kamran Ahmad wrote:
hello
I am using ser-0.9.0 from onsip with rtpproxy i am
getting only one side voice. what could be the reason.
here is my ser.cfg when i am trying to use
configuration from onsip i am getting error.
----------------------------------------------------
ser.cfg from
onsip.org gettingstarted.pdf
#debug=3
#fork=yes
#log_stderror=no
debug=7
fork=no
log_stderror=yes
dns=no
rev_dns=no
fifo="/tmp/ser_fifo"
#fifo_db_url="mysql://ser:heslo@localhost/ser"
#loadmodule "/usr/local/lib/ser/modules/mysql.so"
loadmodule "/usr/local/lib/ser/modules/sl.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/auth.so"
loadmodule "/usr/local/lib/ser/modules/auth_radius.so"
#loadmodule "/usr/local/lib/ser/modules/auth_db.so"
loadmodule "/usr/local/lib/ser/modules/uri.so"
loadmodule "/usr/local/lib/ser/modules/domain.so"
loadmodule "/usr/local/lib/ser/modules/nathelper.so"
loadmodule "/usr/local/lib/ser/modules/textops.so"
loadmodule "/usr/local/lib/ser/modules/uri_radius.so"
#modparam("auth_db|usrloc|uri_db", "db_url",
"mysql://ser:heslo@localhost/ser")
#modparam("auth_db", "calculate_ha1", 1)
#modparam("auth_db", "password_column", "password")
modparam("nathelper", "natping_interval", 30)
modparam("nathelper", "ping_nated_only", 1)
modparam("nathelper", "rtpproxy_sock",
"unix:/var/run/rtpproxy.sock")
modparam("usrloc", "db_mode", 0)
modparam("registrar", "nat_flag", 6)
modparam("rr", "enable_full_lr", 1)
route {
#
-----------------------------------------------------------------
# Sanity Check Section
#
-----------------------------------------------------------------
if (!mf_process_maxfwd_header("10")) {
sl_send_reply("483", "Too Many Hops");
break;
};
if (msg:len > max_len) {
sl_send_reply("513", "Message Overflow");
break;
};
#
-----------------------------------------------------------------
# Record Route Section
#
-----------------------------------------------------------------
if (method!="REGISTER") {
record_route();
};
if (method=="BYE" || method=="CANCEL") {
unforce_rtp_proxy();
}
#
-----------------------------------------------------------------
# Loose Route Section
#
-----------------------------------------------------------------
if (loose_route()) {
if (has_totag() && method=="INVITE") {
if (nat_uac_test("19")) {
setflag(6);
force_rport();
fix_nated_contact();
};
force_rtp_proxy("l");
};
route(1);
break;
};
#
-----------------------------------------------------------------
# Call Type Processing Section
#
-----------------------------------------------------------------
if (uri==myself) {
if (method=="INVITE") {
route(3);
break;
} else if (method=="REGISTER") {
route(2);
break;
};
if (!lookup("location")) {
sl_send_reply("404", "User Not
Found");
break;
};
route(1);
};
}
route[1] {
#
-----------------------------------------------------------------
# Default Message Handler
#
-----------------------------------------------------------------
t_on_reply("1");
if (!t_relay()) {
if (method=="INVITE" && isflagset(6)) {
unforce_rtp_proxy();
};
sl_reply_error();
};
}
route[2] {
#
-----------------------------------------------------------------
# REGISTER Message Handler
#
----------------------------------------------------------------
if (!search("^Contact: \*") &&
nat_uac_test("19")) {
setflag(6);
fix_nated_register();
# fix_nated_contact();
force_rport();
};
sl_send_reply("100", "Trying");
if (!check_to()) {
sl_send_reply("401", "Unauthorized");
break;
};
# consume_credentials();
if (!save("location")) {
sl_reply_error();
};
}
route[3] {
#
-----------------------------------------------------------------
# INVITE Message Handler
#
-----------------------------------------------------------------
if (nat_uac_test("19")) {
setflag(6);
}
if (!lookup("location")) {
sl_send_reply("404", "User Not Found");
break;
};
if(!check_from()) {
sl_send_reply("403", "Use From=ID");
break;
};
# consume_credentials();
if (isflagset(6)) {
force_rport();
fix_nated_contact();
force_rtp_proxy();
};
t_on_reply("1");
if (!t_relay()) {
if(isflagset(6)) {
unforce_rtp_proxy();
}
sl_reply_error();
};
}
onreply_route[1] {
if (isflagset(6) &&
status=~"(180)|(183)|2[0-9][0-9]") {
if (!search("^Content-Length:\ 0")) {
force_rtp_proxy();
};
}
else if (nat_uac_test("1")) {
fix_nated_contact();
};
}
error when starting ser with ser.cfg from
onsip.org
-----------------------------------------------------
0(31996) qm_free(0x80fb260, 0x812f9ac), called from
sr_module.c: destroy_modules(357)
0(31996) qm_free: freeing frag. 0x812f994 alloc'ed
from sr_module.c: register_module(136)
0(31996) DEBUG: tm_shutdown : start
0(31996) DEBUG: tm_shutdown : emptying hash table
0(31996) DEBUG: tm_shutdown : releasing timers
0(31996) DEBUG: tm_shutdown : removing semaphores
0(31996) DEBUG: tm_shutdown : destroying tmcb lists
0(31996) DEBUG: tm_shutdown : done
0(31996) qm_free(0x80fb260, 0x812f8bc), called from
sr_module.c: destroy_modules(357)
0(31996) qm_free: freeing frag. 0x812f8a4 alloc'ed
from sr_module.c: register_module(136)
0(31996) qm_free(0x80fb260, 0x812f7cc), called from
sr_module.c: destroy_modules(357)
0(31996) qm_free: freeing frag. 0x812f7b4 alloc'ed
from sr_module.c: register_module(136)
0(31996) shm_mem_destroy
----------------------------------------------------
i am getting only one side voice with this ser.cfg
# ----------- 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
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/local/lib/ser/modules/mysql.so"
loadmodule "/usr/local/lib/ser/modules/sl.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"
# 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"
# !! Nathelper
loadmodule "/usr/local/lib/ser/modules/nathelper.so"
#startsetting for rtpProxy
#
#loadmodule "/usr/local/lib/ser/modules/uri_db.so"
#
#end setting for rtpproxy
# ----------------- 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)
# !! Nathelper
modparam("registrar", "nat_flag", 6)
modparam("nathelper", "natping_interval", 30) # Ping
interval 30 s
modparam("nathelper", "ping_nated_only", 1) # Ping
only clients behind NAT
#Start of RtpProxy setting
#
modparam("nathelper", "rtpproxy_sock",
"unix:/var/run/rtpproxy.sock")
#
#End of RtpProxy Setting
# ------------------------- 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;
};
# !! 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 (method == "REGISTER" || !
search("^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".
fix_nated_contact(); # Rewrite contact with
source IP of signalling
if (method == "INVITE") {
fix_nated_sdp("1"); # Add direction=active
to SDP
};
force_rport(); # Add rport parameter to topmost
Via
setflag(6); # Mark as NATed
};
};
# 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 (!method=="REGISTER") record_route();
#start of RtpProxy Setting
#
# if (method=="BYE" || method=="CANCEL") {
# unforce_rtp_proxy();
# }
#
#end of RtpProxy Setting
# subsequent messages withing a dialog should take
the
# path determined by record-routing
if (loose_route()) {
# mark routing logic in request
#start of rtpproxy setting
# if (has_totag() && method=="INVITE") {
# if (nat_uac_test("19")) {
# setflag(6);
# force_rport();
# fix_nated_contact();
# };
#
# force_rtp_proxy("l");
# };
#
#end of rtpproxy setting
append_hf("P-hint: rr-enforced\r\n");
route(1);
break;
};
if (!uri==myself) {
# mark routing logic in request
append_hf("P-hint: outbound\r\n");
route(1);
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)
if (uri==myself) {
if (method=="REGISTER") {
# Uncomment this if you want to use digest
authentication
# if (!www_authorize("iptel.org", "subscriber")) {
# www_challenge("iptel.org", "0");
# break;
# };
save("location");
break;
};
lookup("aliases");
if (!uri==myself) {
append_hf("P-hint: outbound alias\r\n");
route(1);
break;
};
# native SIP destinations are handled using our
USRLOC DB
if (!lookup("location")) {
sl_send_reply("404", "Not Found");
break;
};
};
append_hf("P-hint: usrloc applied\r\n");
route(1);
}
route[1]
{
#start of rtpproxy setting
# t_on_reply("1");
#
# if (!t_relay()) {
# if (method=="INVITE" && isflagset(6)) {
# unforce_rtp_proxy();
# };
#
# sl_reply_error();
# };
#end of rtpproxy setting
# !! 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");
break;
};
# if client or server know to be behind a NAT, enable
relay
if (isflagset(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();
};
}
#--------------reply route
block--------------------------------
# !! Nathelper
onreply_route[1] {
# NATed transaction ?
if (isflagset(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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