[RTPproxy Users] Sometimes YES sometime NO rtp packets
Luis Guaman
luis.guaman at interlancompu.com
Tue Sep 15 05:28:52 PDT 2009
Hi list,
We have one Kamailio server with public ip on Internet and two uac’s behind
different nats.
The problem is that sometimes rtp packets flow normally in a call. Sometimes
in other call there is no rtp, audio in both ends same config. At this call,
no rtp, we can get rtp packets with hold/unhold events.
Thanks in advance.
I am using Kamailio 1.5.2-tls on Lenny Linux Srv1 2.6.26-2-686 #1 SMP i686
GNU/Linux with rtpproxy:
Srv1:/usr/local/etc/kamailio# rtpproxy -v
Basic version: 20040107
Extension 20050322: Support for multiple RTP streams and MOH
Extension 20060704: Support for extra parameter in the V command
Extension 20071116: Support for RTP re-packetization
Extension 20071218: Support for forking (copying) RTP stream
Extension 20080403: Support for RTP statistics querying
Extension 20081102: Support for setting codecs in the update/lookup command
Extension 20081224: Support for session timeout notifications
Extension 20090810: Support for automatic bridging
Rtpproxy is run as follow:
/usr/local/bin/rtpproxy -u rtpproxy -l 200.XXX.XX.XXX -s udp:localhost:7722
It Sometime works fine, ie rtp flows normal:
===RTP YES===
DBUG:handle_command: received command "25837_10 Uc18,4,101
YmRjZmE5NWM5MmRkMjQ3YmJjNWI5YWFlNGNhZTU1NDk. 186.66.71.118 21578 b309ba09;1"
INFO:handle_command: new session
YmRjZmE5NWM5MmRkMjQ3YmJjNWI5YWFlNGNhZTU1NDk., tag b309ba09;1 requested, type
strong
INFO:handle_command: new session on a port 38588 created, tag b309ba09;1
INFO:handle_command: pre-filling caller's address with 186.66.71.118:21578
DBUG:doreply: sending reply "25837_10 38588 200.xxx.xx.xxx
"
DBUG:handle_command: received command "25839_6 Lc18,101
YmRjZmE5NWM5MmRkMjQ3YmJjNWI5YWFlNGNhZTU1NDk. 190.152.165.48 20514 b309ba09;1
0d4da661;1"
INFO:handle_command: lookup on ports 38588/58568, session timer restarted
INFO:handle_command: pre-filling callee's address with 190.152.165.48:20514
DBUG:doreply: sending reply "25839_6 58568 200.xxx.xx.xxx
"
DBUG:handle_command: received command "25839_7 Lc18,101
YmRjZmE5NWM5MmRkMjQ3YmJjNWI5YWFlNGNhZTU1NDk. 190.152.165.48 20514 b309ba09;1
0d4da661;1"
INFO:handle_command: lookup on ports 38588/58568, session timer restarted
DBUG:doreply: sending reply "25839_7 58568 200.xxx.xx.xxx
"
DBUG:handle_command: received command "25839_8 Lc18,101
YmRjZmE5NWM5MmRkMjQ3YmJjNWI5YWFlNGNhZTU1NDk. 190.152.165.48 20514 b309ba09;1
0d4da661;1"
INFO:handle_command: lookup on ports 38588/58568, session timer restarted
DBUG:doreply: sending reply "25839_8 58568 200.xxx.xx.xxx
"
INFO:rxmit_packets: caller's address filled in: 186.66.71.118:1030 (RTP
==TearDownRTPYES===
DBUG:handle_command: received command "25839_9 D
YmRjZmE5NWM5MmRkMjQ3YmJjNWI5YWFlNGNhZTU1NDk. b309ba09 0d4da661"
INFO:handle_delete: forcefully deleting session 1 on ports 38588/58568
INFO:remove_session: RTP stats: 1702 in from callee, 1562 in from caller,
3264 relayed, 0 dropped
INFO:remove_session: RTCP stats: 7 in from callee, 7 in from caller, 14
relayed, 0 dropped
INFO:remove_session: session on ports 38588/58568 is cleaned up
DBUG:doreply: sending reply "25839_9 0
"
Sometime rtp don’w flows.
====No RTP====
DBUG:handle_command: received command "25840_5 Uc18,4,101
MGZjYTk4Yjc0YTZkNzI4YTdhZDUxZGZkMzE0ZDA5Yzk. 186.66.71.118 21586 1e4c8b45;1"
INFO:handle_command: new session
MGZjYTk4Yjc0YTZkNzI4YTdhZDUxZGZkMzE0ZDA5Yzk., tag 1e4c8b45;1 requested, type
strong
INFO:handle_command: new session on a port 57504 created, tag 1e4c8b45;1
INFO:handle_command: pre-filling caller's address with 186.66.71.118:21586
DBUG:doreply: sending reply "25840_5 57504 200.xxx.xx.xxx
"
DBUG:handle_command: received command "25838_10 Lc18,101
MGZjYTk4Yjc0YTZkNzI4YTdhZDUxZGZkMzE0ZDA5Yzk. 190.152.165.48 20522 1e4c8b45;1
7d31770c;1"
INFO:handle_command: lookup on ports 57504/55194, session timer restarted
INFO:handle_command: pre-filling callee's address with 190.152.165.48:20522
DBUG:doreply: sending reply "25838_10 55194 200.xxx.xx.xxx
"
INFO:rxmit_packets: caller's address filled in: 186.66.71.118:1030 (RTP)
INFO:rxmit_packets: callee's address filled in: 192.168.50.30:20522 (RTP)
INFO:rxmit_packets: guessing RTCP port for callee to be 20523
INFO:rxmit_packets: callee's address filled in: 190.152.165.48:20523 (RTCP)
INFO:rxmit_packets: caller's address filled in: 186.66.71.118:1030 (RTCP)
===TearDownNoRTP==
DBUG:handle_command: received command "25839_10 D
MGZjYTk4Yjc0YTZkNzI4YTdhZDUxZGZkMzE0ZDA5Yzk. 1e4c8b45 7d31770c"
INFO:handle_delete: forcefully deleting session 1 on ports 57504/55194
INFO:remove_session: RTP stats: 2 in from callee, 7324 in from caller, 7326
relayed, 0 dropped
INFO:remove_session: RTCP stats: 30 in from callee, 31 in from caller, 61
relayed, 0 dropped
INFO:remove_session: session on ports 57504/55194 is cleaned up
DBUG:doreply: sending reply "25839_10 0
Kamailio config:
# ----------- global configuration parameters ------------------------
debug=4 # debug level (cmd line: -dddddddddd)
fork=yes
log_stderror=no# (cmd line: -E)
check_via=no # (cmd. line: -v)
dns=no # (cmd. line: -r)
rev_dns=no # (cmd. line: -R)
port=5060
children=6
listen=udp:200.xxx:5060
server_header = "Server: SIP Proxy V1.5.2-tls"
user_agent_header = "Server: SIP Proxy V1.5.2-tls"
alias=xxxx
/* uncomment the following lines to enable TLS support (default off) */
disable_tls = no
listen = tls:xxxx: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"
# --- module loading
mpath="/usr/local/lib/kamailio/modules/"
loadmodule "mi_fifo.so"
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 "nathelper.so"
loadmodule "auth.so"
loadmodule "auth_db.so"
loadmodule "pv.so"
loadmodule "siputils.so"
loadmodule "avpops.so"
loadmodule "xlog.so"
loadmodule "uac.so"
loadmodule "perl.so"
loadmodule "htable.so"
# --- setting module parameters
# -- mi_fifo params --
modparam("mi_fifo", "fifo_name", "/tmp/kamailio_fifo")
modparam("usrloc|auth_db","db_url","mysql://openser:xxx@localhost/openser")
# -- usrloc params --
modparam("usrloc", "db_mode", 2)
modparam("usrloc", "nat_bflag", 6)
# -- registrar params --
modparam("registrar|nathelper", "received_avp", "$avp(i:42)")
# -- auth params --
modparam("auth_db", "calculate_ha1", 0)
modparam("auth_db", "password_column", "ha1")
# -- rr params --
modparam("rr", "enable_full_lr", 1)
# -- nathelper
modparam("nathelper", "rtpproxy_sock", "udp:localhost:7722")
modparam("nathelper", "natping_interval", 30)
modparam("nathelper", "ping_nated_only", 1)
modparam("nathelper", "sipping_bflag", 7)
modparam("nathelper", "sipping_from", "sip:pinger at xxxxx")
# -- perl
modparam("perl", "modpath", "/usr/local/lib/kamailio/perl")
modparam("perl", "filename", "/usr/local/etc/kamailio/voipprepago.pl")
modparam("htable", "htable", "intentoslogin=>size=4;")
# --- main routing logic
route{
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;
};
if (uri==myself) {
if ((method==OPTIONS) && (! uri=~"sip:.*[@]+.*")) {
options_reply();
}
}
# NAT detection
route(2);
if (!method=="REGISTER")
record_route();
if (loose_route()) {
append_hf("P-hint: rr-enforced\r\n");
route(1);
};
if (!uri==myself) {
append_hf("P-hint: outbound\r\n");
route(1);
};
if (uri==myself) {
if (method=="REGISTER") {
if (!www_authorize("xxxx", "subscriber")) {
www_challenge("xxxx", "0");
exit;
};
if (isflagset(5)) {
setbflag(6);
# if you want OPTIONS natpings uncomment next
setbflag(7);
};
save("location","0x04");
exit;
};
if (!lookup("location")) {
sl_send_reply("404", "Not Found");
exit;
};
append_hf("P-hint: usrloc applied\r\n");
};
route(1);
}
route[1] {
if (subst_uri('/(sip:.*);nat=yes/\1/')){
setbflag(6);
};
if (isflagset(5)||isbflagset(6)) {
route(3);
}
if (!t_relay()) {
sl_reply_error();
};
exit;
}
route[2]{
force_rport();
if (nat_uac_test("19")) {
if (method=="REGISTER") {
fix_nated_register();
} else {
fix_nated_contact();
};
setflag(5);
};
}
route[3]
{
if (is_method("BYE|CANCEL")) {
unforce_rtp_proxy();
} else if (is_method("INVITE")){
force_rtp_proxy("o");
t_on_failure("1");
};
if (isflagset(5))
search_append('Contact:.*sip:[^>[:cntrl:]]*', ';nat=yes');
t_on_reply("1");
}
failure_route[1] {
if (isbflagset(6) || isflagset(5)) {
unforce_rtp_proxy();
}
}
onreply_route[1]
{
if ((isflagset(5) || isbflagset(6)) &&
status=~"(183)|(2[0-9][0-9])") {
log(2, "Enabling RTPProxy ONREPLY_ROUTE1");
xlog(" dd: $avp(i:450) srcip: $src_ip\n");
force_rtp_proxy("o");
};
search_append('Contact:.*sip:[^>[:cntrl:]]*', ';nat=yes');
if (isbflagset(6)) {
fix_nated_contact();
}
exit;
}
Atentamente,
Luis Guamán
República 396 y Diego de Almagro
Ph:+593.2.2526585
Cel:+593.9.4264354
Quito - Ecuador
logoReducido
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