[Kamailio-Users] kamailio and rtpproxy-no audio
Fabian Borot
fborot at hotmail.com
Thu Oct 30 03:39:28 CET 2008
I added these lines to my REGISTER section
Code:if (nat_uac_test("31")) {
if (method=="REGISTER") {
fix_nated_register();
} else {
fix_nated_contact();
};
now it looks like this:
Code:
if (is_method("REGISTER"))
{
# authenticate the REGISTER requests (uncomment to enable auth)
if (!www_authorize("", "subscriber"))
{
www_challenge("", "0");
exit;
}
if (!save("location"))
sl_reply_error();
exit;
if (nat_uac_test("31")) {
if (method=="REGISTER") {
fix_nated_register();
} else {
fix_nated_contact();
};
};
}
but still have one way audio, the reason is that for the ext registered
in my house KAMAILIO does not change the private ip for the public one,
however for the ext registered from my office it does it.
also, I saw these messages in the var/log/messages file:
Code:
Oct 29 22:41:17 sp1094a /usr/local/sbin/kamailio[16180]: ERROR:nathelper:send_rtpp_command: can't send command to a RTP proxy
Oct 29 22:41:17 sp1094a /usr/local/sbin/kamailio[16180]:
ERROR:nathelper:send_rtpp_command: proxy <udp:localhost:8899>
does not respond, disable it
Oct 29 22:41:17 sp1094a /usr/local/sbin/kamailio[16180]: ERROR:nathelper:force_rtp_proxy2_f: no available proxies
Oct 29 22:41:56 sp1094a /usr/local/sbin/kamailio[16185]: ERROR:nathelper:send_rtpp_command: can't send command to a RTP proxy
Oct 29 22:41:56 sp1094a /usr/local/sbin/kamailio[16185]:
ERROR:nathelper:send_rtpp_command: proxy <udp:localhost:8899>
does not respond, disable it
Oct 29 22:41:56 sp1094a /usr/local/sbin/kamailio[16185]: ERROR:nathelper:force_rtp_proxy2_f: no available proxies
Oct 29 22:42:12 sp1094a /usr/local/sbin/kamailio[16180]: ERROR:nathelper:force_rtp_proxy2_f: no available proxies
Oct 29 22:42:38 sp1094a /usr/local/sbin/kamailio[16180]: ERROR:nathelper:send_rtpp_command: can't send command to a RTP proxy
Oct 29 22:42:38 sp1094a /usr/local/sbin/kamailio[16180]:
ERROR:nathelper:send_rtpp_command: proxy <udp:localhost:8899>
does not respond, disable it
Oct 29 22:42:38 sp1094a /usr/local/sbin/kamailio[16180]: ERROR:nathelper:force_rtp_proxy2_f: no available proxies
Oct 29 22:47:22 sp1094a /usr/local/sbin/kamailio[16182]: ERROR:nathelper:send_rtpp_command: can't send command to a RTP proxy
Oct 29 22:47:22 sp1094a /usr/local/sbin/kamailio[16182]:
ERROR:nathelper:send_rtpp_command: proxy <udp:localhost:8899>
does not respond, disable it
Oct 29 22:47:22 sp1094a /usr/local/sbin/kamailio[16182]: ERROR:nathelper:force_rtp_proxy2_f: no available proxies
Oct 29 22:48:29 sp1094a /usr/local/sbin/kamailio[16185]: ERROR:nathelper:send_rtpp_command: can't send command to a RTP proxy
Oct 29 22:48:29 sp1094a /usr/local/sbin/kamailio[16185]:
ERROR:nathelper:send_rtpp_command: proxy <udp:localhost:8899>
does not respond, disable it
Oct 29 22:48:29 sp1094a /usr/local/sbin/kamailio[16185]: ERROR:nathelper:force_rtp_proxy2_f: no available proxies
I tried restarting kamailio and rtpproxy but with no luck.
Has anyone been able to config kamailio 1.4 with rtpproxy?
thank you all in advance
Fabian
From: fborot at hotmail.com
To: users at lists.kamailio.org
Date: Wed, 29 Oct 2008 09:05:14 -0400
Subject: [Kamailio-Users] kamailio and rtpproxy-no audio
hello
I am trying to use rtpproxy and kamailio. Below please find my kamailio.cfg file.
But this is what is happening:
1- ext 101[IP 76.109.183.2] is able to send audio to kamailio's IP [65.111.185.187]but it does not reach ext 100 IP [76.109.15.75].
2- ext 100 does not send RTP at all.
3- I still see the private IPs in the SDPs of both exts.
I am aattaching a wireshark capture
Thank you in advance
Fabian
# $Id: kamailio.cfg 4576 2008-08-05 16:22:38Z klaus_darilion $
#
# Kamailion basic configuration script
# by Anca Vamanu <anca at voice-system.ro>
#
# Please refer to the Core CookBook at http://www.kamailio.org/dokuwiki/doku.php
# for a explanation of possible statements, functions and parameters.
#
####### Global Parameters #########
debug=3
log_stderror=no
log_facility=LOG_LOCAL0
fork=yes
children=4
/* uncomment the following lines to enable debugging */
#debug=6
#fork=no
#log_stderror=yes
/* uncomment the next line to disable TCP (default on) */
disable_tcp=yes
/* uncomment the next line to enable the auto temporary blacklisting of
not available destinations (default disabled) */
#disable_dns_blacklist=no
/* uncomment the next line to enable IPv6 lookup after IPv4 dns
lookup failures (default disabled) */
#dns_try_ipv6=yes
/* uncomment the next line to disable the auto discovery of local aliases
based on revers DNS on IPs (default on) */
#auto_aliases=no
/* uncomment the following lines to enable TLS support (default off) */
#disable_tls = no
#listen = tls:your_IP:5061
#tls_verify_server = 1
#tls_verify_client = 1
#tls_require_client_certificate = 0
#tls_method = TLSv1
#tls_certificate = '/usr/local/etc/kamailio/tls/user/user-cert.pem'
#tls_private_key = '/usr/local/etc/kamailio/tls/user/user-privkey.pem'
#tls_ca_list = '/usr/local/etc/kamailio/tls/user/user-calist.pem'
port=5060
/* uncomment and configure the following line if you want Kamailio to
bind on a specific interface/port/proto (default bind on all available) */
listen=udp:65.111.185.187:5060
####### Modules Section ########
#set module path
mpath='/usr/local/lib/kamailio/modules/'
/* uncomment next line for MySQL DB support */
loadmodule 'db_mysql.so'
loadmodule 'sl.so'
loadmodule 'tm.so'
loadmodule 'rr.so'
loadmodule 'maxfwd.so'
loadmodule 'usrloc.so'
loadmodule 'registrar.so'
loadmodule 'textops.so'
loadmodule 'mi_fifo.so'
loadmodule 'uri_db.so'
loadmodule 'uri.so'
loadmodule 'xlog.so'
loadmodule 'acc.so'
/* uncomment next lines for MySQL based authentication support
NOTE: a DB (like db_mysql) module must be also loaded */
loadmodule 'auth.so'
loadmodule 'auth_db.so'
/* uncomment next line for aliases support
NOTE: a DB (like db_mysql) module must be also loaded */
#loadmodule 'alias_db.so'
/* uncomment next line for multi-domain support
NOTE: a DB (like db_mysql) module must be also loaded
NOTE: be sure and enable multi-domain support in all used modules
(see 'multi-module params' section ) */
#loadmodule 'domain.so'
/* uncomment the next two lines for presence server support
NOTE: a DB (like db_mysql) module must be also loaded */
#loadmodule 'presence.so'
#loadmodule 'presence_xml.so'
loadmodule 'nathelper.so'
# ----------------- setting module-specific parameters ---------------
# ----- mi_fifo params -----
modparam('mi_fifo', 'fifo_name', '/tmp/kamailio_fifo')
# ----- rr params -----
# add value to ;lr param to cope with most of the UAs
modparam('rr', 'enable_full_lr', 1)
# do not append from tag to the RR (no need for this script)
modparam('rr', 'append_fromtag', 0)
# ----- rr params -----
modparam('registrar', 'method_filtering', 1)
/* uncomment the next line to disable parallel forking via location */
# modparam('registrar', 'append_branches', 0)
/* uncomment the next line not to allow more than 10 contacts per AOR */
#modparam('registrar', 'max_contacts', 10)
# ----- uri_db params -----
/* by default we disable the DB support in the module as we do not need it
in this configuration */
modparam('uri_db', 'use_uri_table', 0)
modparam('uri_db', 'db_url', '')
# ----- acc params -----
/* what sepcial events should be accounted ? */
modparam('acc', 'early_media', 1)
modparam('acc', 'report_ack', 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)
# ----- usrloc params -----
modparam('usrloc', 'db_mode', 0)
/* uncomment the following lines if you want to enable DB persistency
for location entries */
modparam('usrloc', 'db_mode', 2)
#modparam('usrloc', 'db_url',
# 'mysql://openser:openserrw@localhost/openser')
modparam('usrloc', 'nat_bflag', 3)
# ----- auth_db params -----
/* uncomment the following lines if you want to enable the DB based
authentication */
modparam('auth_db', 'calculate_ha1', yes)
modparam('auth_db', 'password_column', 'password')
modparam('auth_db', 'db_url',
'mysql://openser:openserrw@localhost/openser')
modparam('auth_db', 'load_credentials', '')
# ----- alias_db params -----
/* uncomment the following lines if you want to enable the DB based
aliases */
#modparam('alias_db', 'db_url',
# 'mysql://openser:openserrw@localhost/openser')
# ----- domain params -----
/* uncomment the following lines to enable multi-domain detection
support */
#modparam('domain', 'db_url',
# 'mysql://openser:openserrw@localhost/openser')
#modparam('domain', 'db_mode', 1) # Use caching
# ----- multi-module params -----
/* uncomment the following line if you want to enable multi-domain support
in the modules (dafault off) */
#modparam('alias_db|auth_db|usrloc|uri_db', 'use_domain', 1)
# ----- presence params -----
/* uncomment the following lines if you want to enable presence */
#modparam('presence|presence_xml', 'db_url',
# 'mysql://openser:openserrw@localhost/openser')
#modparam('presence_xml', 'force_active', 1)
#modparam('presence', 'server_address', 'sip:192.168.1.2:5060')
# ----- nathelper params -----
modparam('nathelper', 'natping_interval', 10)
modparam('nathelper', 'ping_nated_only', 1)
modparam('nathelper', 'rtpproxy_sock', 'udp:localhost:8899')
modparam('nathelper', 'rtpproxy_disable_tout', 20)
modparam('nathelper', 'rtpproxy_tout', 2)
modparam('nathelper', 'rtpproxy_retr', 2)
modparam('nathelper', 'sipping_from', 'sip:pinger at mykamailio.com')
modparam('nathelper', 'sipping_bflag', 7)
####### Routing Logic ########
# main request routing logic
route{
if (!mf_process_maxfwd_header('10')) {
sl_send_reply('483','Too Many Hops');
exit;
}
if (is_method('REGISTER'))
{
# authenticate the REGISTER requests (uncomment to enable auth)
if (!www_authorize('', 'subscriber'))
{
www_challenge('', '0');
exit;
}
if (!save('location'))
sl_reply_error();
exit;
}
if (!lookup('location')) {
switch ($retcode) {
case -1:
case -3:
t_newtran();
t_reply('404', 'Not Found');
exit;
case -2:
sl_send_reply('405', 'Method Not Allowed');
exit;
}
}
# when routing via usrloc, log the missed calls also
setflag(2);
# record routing
if (!is_method('REGISTER|MESSAGE')) {
record_route();
}
# account only INVITEs
if (is_method('INVITE')) {
setflag(1); # do accounting
}
# for INVITEs enable some additional helper routes
if (is_method('INVITE')) {
force_rtp_proxy();
}
if (!t_relay()) {
sl_reply_error();
};
exit;
# CANCEL processing
if (is_method('CANCEL|BYE'))
{
unforce_rtp_proxy();
if (t_check_trans())
t_relay();
exit;
}
}
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