hello
if
I utilize rtpproxy.
I show it my configuration :
1- rtpproxy -l
ip-private/ip-public
2- ser.cfg
# Sections marked with !!
Nathelper contain modifications for nathelper
#
# NOTE !! This config is
EXPERIMENTAL !
#
# ----------- 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"
listen=200.61.161.132
alias="sip.boxip.com.ar"
#
------------------ 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"
# ----------------- 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
#
------------------------- 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;
};
if (nat_uac_test("3"))
{
if (method == "REGISTER" || ! search("^Record-Route:"))
{
log("LOG: Someone trying to register from private
IP,
rewriting\n");
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
};
};
if (!method=="REGISTER")
record_route();
if
(loose_route())
{
# mark routing logic in
request
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 (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;
#
};
log(1,"registo
1");
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]
{
# !! 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 (isflagset(6))
{
force_rtp_proxy();
};
t_on_reply("1");
if
(!t_relay())
{
sl_reply_error();
};
}
#
!! Nathelper
onreply_route[1] {
# NATed transaction
?
if (isflagset(6) && status =~
"(183)|2[0-9][0-9]") {
fix_nated_contact();
force_rtp_proxy();
} else if (nat_uac_test("1"))
{
fix_nated_contact();
};
}
3- my
log
May 4 16:46:36 chitara rtpproxy[5767]: rtpproxy
started.
May 4 16:46:40 chitara rtpproxy[5767]: error: received invalid
command 'V'
May 4 16:46:40 chitara ser[5770]: ERROR: send_rtpp_command:
can't read
reply from a RTP proxy
May 4 16:46:40 chitara ser[5770]:
WARNING: nathelper: can't get version of
the RTP proxy
May 4
16:46:40 chitara ser[5770]: WARNING: nathelper: support for RTP
proxyhas been
disabled
May 4 16:46:40 chitara ser[5770]: INFO: udp_init: SO_RCVBUF is
initially
65535
May 4 16:46:40 chitara ser[5770]: INFO: udp_init:
SO_RCVBUF is finally
131070
May 4 16:46:40 chitara ser[5775]: INFO:
fifo process starting: 5775
May 4 16:46:40 chitara ser[5775]: SER:
open_uac_fifo: fifo server up at
/tmp/ser_fifo...
May 4 16:46:40
chitara ser[5775]: WARNING: no fifo_db_url given - fifo DB
commands
disabled!
May 4 16:48:05 chitara ser[5771]: registo 1
May 4
16:48:05 chitara ser[5773]: registo 1
May 4 16:48:10 chitara ser[5771]:
registo 1
May 4 16:48:10 chitara ser[5774]: registo 1
May 4
16:48:34 chitara ser[5774]: registo 1
May 4 16:48:35 chitara ser[5771]:
registo 1
May 4 16:48:39 chitara ser[5774]: ERROR: force_rtp_proxy:
support for RTP
proxy is disabled
May 4 16:48:42 chitara ser[5774]:
ERROR: force_rtp_proxy: support for RTP
proxy is disabled
May 4
16:48:42 chitara ser[5774]: ERROR: on_reply processing failed
May 4
16:48:42 chitara ser[5771]: ERROR: force_rtp_proxy: support for RTP
proxy is
disabled
thanks
Saludos!
Sergio