21 Feb
2005
21 Feb
'05
3:02 p.m.
Are you saying that you have to NATed clients that can communicate?
If so, the reason is that they are being the same firewall and thus
can directly reach each other.
Regards,
Paul
On Mon, 21 Feb 2005 20:54:33 +0800, Charles Wang <lazy.charles(a)gmail.com> wrote:
Dear Paul:
I guess that you are right.
But I can not understand why I can make a call from two different NATs?
Don't they communicate via my ser? Or just signal channel via ser?
Thank you for your explain.
Charles
On Mon, 21 Feb 2005 07:41:58 -0500, Java Rockx <javarockx(a)gmail.com> wrote:
MediaProxy is a two-part project. SER only
includes the interface to
the actual mediaproxy. You must install the actual mediaproxy server,
which is written in Python.
http://www.ag-projects.com/MediaProxy.html
Regards,
Paul
On Mon, 21 Feb 2005 20:26:19 +0800, Charles Wang <lazy.charles(a)gmail.com> wrote:
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Dear Paul:
So surprised it is. I never see any executable file or script named
"mediaproxy.py" in my source files.
I guess that the mediaproxy is only a module including in
"sip_router/modules/mediaproxy/mediaproxy.so".
When I can get a executable version of mediaproxy or where the mediaproxy.py is?
And also I miss the "proxydispatcher". I can find a directory named
"dispatcher" under my sip_router/modules.
I usually start my ser with "/usr/local/sbin/serctl start".
Please let me know where I can get these files what you said.
On Mon, 21 Feb 2005 07:04:48 -0500, Java Rockx <javarockx(a)gmail.com> wrote:
Charles,
How are you starting mediaproxy? Below is the start script I use.
Regards,
Paul
#!/bin/sh
#
# chkconfig: 2345 90 20
# description: VoIP RTP Proxy Server
#
# processname: mediaproxy
# pidfile: /var/run/mediaproxy.pid
# source function library
. /etc/rc.d/init.d/functions
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
INSTALL_DIR="/usr/local"
RUNTIME_DIR="/var/run"
PROXY="$INSTALL_DIR/mediaproxy/mediaproxy.py"
DISPATCHER="$INSTALL_DIR/mediaproxy/proxydispatcher.py"
PROXY_PID="$RUNTIME_DIR/mediaproxy.pid"
DISPATCHER_PID="$RUNTIME_DIR/proxydispatcher.pid"
# Options for mediaproxy and dispatcher. Do not include --pid <pidfile>
# --pid <pidfile> will be added automatically if needed.
PROXY_OPTIONS="--ip=24.48.42.20 --listen=127.0.0.1"
DISPATCHER_OPTIONS="domain://sip.mycompany.com"
NAME="mediaproxy"
DESC="SER MediaProxy server"
test -f $PROXY || exit 0
test -f $DISPATCHER || exit 0
if [ "$PROXY_PID" != "/var/run/mediaproxy.pid" ]; then
PROXY_OPTIONS="--pid $PROXY_PID $PROXY_OPTIONS"
fi
if [ "$DISPATCHER_PID" != "/var/run/proxydispatcher.pid" ]; then
DISPATCHER_OPTIONS="--pid $DISPATCHER_PID $DISPATCHER_OPTIONS"
fi
start() {
echo -n "Starting $DESC: $NAME"
$PROXY $PROXY_OPTIONS
$DISPATCHER $DISPATCHER_OPTIONS
echo "."
}
stop () {
echo -n "Stopping $DESC: $NAME"
kill `cat $PROXY_PID`
kill `cat $DISPATCHER_PID`
echo "."
}
case "$1" in
start)
start
;;
stop)
stop
;;
restart|force-reload)
stop
#sleep 1
start
;;
*)
echo "Usage: /etc/init.d/$NAME {start|stop|restart|force-reload}"
>&2
exit 1
;;
esac
exit 0
On Mon, 21 Feb 2005 13:39:10 +0800, Charles Wang <lazy.charles(a)gmail.com> wrote:
> Dear ALL:
>
> I make the UA 1033 as busy status(pick up the phone and do nothing).
>
> Then I try to make a call from 1011 to 1033. It should be redirect to
> a PSTN phone number( sip:0939749xxx@ser.xxx.net.tw ).
> I find it call failure and jump to failure_route[1], then swicth to
> route[3](for PSTN).
> But when I dump the package using ngrep. I can't find it try to
> connect PSTN trunk( xxx.xxx.190.243 is a CISCO 5300).
> I can find "SER: Connecting to PSTN....." message list at log file.
> Then the log display "SER: SIP Call On-Net section route(2)" message.
> It means that the call return to route[2] then failed.
> I guess that it stops or jump out route[3] after rewritehost(xxx.xxx.190.243).
>
> Can anyone help me to trace the bug in the route[3]?
>
> Best Regard
> Charles
>
> Subset of ser.cfg about route[3:
>
-------------------------------------------------------------------------------------------------------
> route[3] {
> log(1, "SER: Demestic Call Off-Net section route(3)\n");
>
> # All Domestic Calls Go To CISCO 5300
> if (method=="INVITE") {
> if (!proxy_authorize("", "subscriber")) {
> proxy_challenge("", "0");
> break;
> } else if (!check_from()) {
> log(1, "Spoofed SIP call attempt");
> sl_send_reply("403", "Use From=ID");
> break;
> } else if (!(is_from_local() || is_uri_host_local())) {
> sl_send_reply("403", "Please register to use
our service");
> break;
> };
> # enable caller id blocking for PSTN calls
> if (isflagset(25)) {
> append_rpid_hf();
> };
> };
> # SIP->PSTN calls get 45 seconds to timeout
> log(1, "SER: Connecting to PSTN.....\n");
> avp_write("i:45", "inv_timeout");
> rewritehost("61.220.190.243");
> 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 (method=="INVITE" || method=="ACK") {
> use_media_proxy();
> };
> if (isflagset(31)) { # is voice mail?
> t_on_failure("1");
> };
> t_on_reply("1");
> if (!t_relay()) {
> if (method=="INVITE" || method=="ACK") {
> end_media_session();
> };
> sl_reply_error();
> };
> }
>
> Dump using ngrep -d eth0 -W byline port 5060
> ------------------------------------------------------------------
> Notes: xxx.xxx.190.248 : is SER sip proxy
> xxx.xxx.13.49 : is NAT
> sip:1033@xxx.xxx.13.49:33536 : location of 1033
> sip:1011@xxx.xxx.13.49:35700 : location of 1011
>
> interface: eth0 (xxx.xxx.190.240/255.255.255.240)
> filter: ip and ( port 5060 )
> #
> U xxx.xxx.13.49:35700 -> xxx.xxx.190.248:5060
> INVITE sip:1033@ser.xxx.net.tw SIP/2.0.
> Via: SIP/2.0/UDP
> 10.18.1.70:5060;rport;branch=z9hG4bK2754265110CD4289ACDA9EA0769C1A8F.
> From: 1011 <sip:1011@ser.xxx.net.tw>;tag=3281269171.
> To: <sip:1033@ser.xxx.net.tw>.
> Contact: <sip:1011@10.18.1.70:5060>.
> Call-ID: B6E73E25-87F9-40BB-A895-561E4ADE8AC8(a)10.18.1.70.
> CSeq: 26231 INVITE.
> Max-Forwards: 70.
> Content-Type: application/sdp.
> User-Agent: X-PRO build 1082.
> Content-Length: 264.
> .
> v=0.
> o=1011 46237906 46237906 IN IP4 10.18.1.70.
> s=X-PRO.
> c=IN IP4 10.18.1.70.
> t=0 0.
> m=audio 8000 RTP/AVP 8 3 98 97 101.
> a=rtpmap:8 pcma/8000.
> a=rtpmap:3 gsm/8000.
> a=rtpmap:98 iLBC/8000.
> a=rtpmap:97 speex/8000.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
> #
> U xxx.xxx.190.248:5060 -> xxx.xxx.13.49:35700
> SIP/2.0 407 Proxy Authentication Required.
> Via: SIP/2.0/UDP
>
10.18.1.70:5060;rport=35700;branch=z9hG4bK2754265110CD4289ACDA9EA0769C1A8F;received=xxx.xxx.13.49.
> From: 1011 <sip:1011@ser.xxx.net.tw>;tag=3281269171.
> To: <sip:1033@ser.xxx.net.tw>;tag=67771a809cdfb71129a699a517fbb1f0.7608.
> Call-ID: B6E73E25-87F9-40BB-A895-561E4ADE8AC8(a)10.18.1.70.
> CSeq: 26231 INVITE.
> Proxy-Authenticate: Digest realm="ser.xxx.net.tw",
> nonce="42196d5483841de0d6b79c7dfb4156e2c932e4cb".
> Server: Sip EXpress router (0.10.99-dev0 (i386/linux)).
> Content-Length: 0.
> Warning: 392 xxx.xxx.190.248:5060 "Noisy feedback tells: pid=4199
> req_src_ip=xxx.xxx.13.49 req_src_port=35700
> in_uri=sip:1033@ser.xxx.net.tw out_uri=sip:1033@xxx.xxx.13.49:33536
> via_cnt==1".
> .
>
> #
> U xxx.xxx.13.49:35700 -> xxx.xxx.190.248:5060
> ACK sip:1033@ser.xxx.net.tw SIP/2.0.
> Via: SIP/2.0/UDP
> 10.18.1.70:5060;rport;branch=z9hG4bK2754265110CD4289ACDA9EA0769C1A8F.
> From: 1011 <sip:1011@ser.xxx.net.tw>;tag=3281269171.
> To: <sip:1033@ser.xxx.net.tw>;tag=67771a809cdfb71129a699a517fbb1f0.7608.
> Contact: <sip:1011@10.18.1.70:5060>.
> Call-ID: B6E73E25-87F9-40BB-A895-561E4ADE8AC8(a)10.18.1.70.
> CSeq: 26231 ACK.
> Max-Forwards: 70.
> Content-Length: 0.
> .
>
> #
> U xxx.xxx.13.49:35700 -> xxx.xxx.190.248:5060
> INVITE sip:1033@ser.xxx.net.tw SIP/2.0.
> Via: SIP/2.0/UDP
> 10.18.1.70:5060;rport;branch=z9hG4bK1BDE5BF2809C4223A13FC5B1A9AC21CC.
> From: 1011 <sip:1011@ser.xxx.net.tw>;tag=3281269171.
> To: <sip:1033@ser.xxx.net.tw>.
> Contact: <sip:1011@10.18.1.70:5060>.
> Call-ID: B6E73E25-87F9-40BB-A895-561E4ADE8AC8(a)10.18.1.70.
> CSeq: 26232 INVITE.
> Proxy-Authorization: Digest
>
username="1011",realm="ser.xxx.net.tw",nonce="42196d5483841de0d6b79c7dfb4156e2c932e4cb",response="7004beab12b3ac6874c5cd86e5659930",uri="sip:1033@ser.xxx.net.tw".
> Max-Forwards: 70.
> Content-Type: application/sdp.
> User-Agent: X-PRO build 1082.
> Content-Length: 264.
> .
> v=0.
> o=1011 46238507 46238507 IN IP4 10.18.1.70.
> s=X-PRO.
> c=IN IP4 10.18.1.70.
> t=0 0.
> m=audio 8000 RTP/AVP 8 3 98 97 101.
> a=rtpmap:8 pcma/8000.
> a=rtpmap:3 gsm/8000.
> a=rtpmap:98 iLBC/8000.
> a=rtpmap:97 speex/8000.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
> #
> U xxx.xxx.190.248:5060 -> xxx.xxx.13.49:35700
> SIP/2.0 100 trying -- your call is important to us.
> Via: SIP/2.0/UDP
>
10.18.1.70:5060;rport=35700;branch=z9hG4bK1BDE5BF2809C4223A13FC5B1A9AC21CC;received=xxx.xxx.13.49.
> From: 1011 <sip:1011@ser.xxx.net.tw>;tag=3281269171.
> To: <sip:1033@ser.xxx.net.tw>.
> Call-ID: B6E73E25-87F9-40BB-A895-561E4ADE8AC8(a)10.18.1.70.
> CSeq: 26232 INVITE.
> Server: Sip EXpress router (0.10.99-dev0 (i386/linux)).
> Content-Length: 0.
> Warning: 392 xxx.xxx.190.248:5060 "Noisy feedback tells: pid=4201
> req_src_ip=xxx.xxx.13.49 req_src_port=35700
> in_uri=sip:1033@ser.xxx.net.tw out_uri=sip:1033@xxx.xxx.13.49:33536
> via_cnt==1".
> .
>
> #
> U xxx.xxx.190.248:5060 -> xxx.xxx.13.49:33536
> INVITE sip:1033@xxx.xxx.13.49:33536 SIP/2.0.
> Record-Route: <sip:xxx.xxx.190.248;ftag=3281269171;lr=on>.
> Via: SIP/2.0/UDP xxx.xxx.190.248;branch=z9hG4bKa7ac.b59d9107.0.
> Via: SIP/2.0/UDP
>
10.18.1.70:5060;received=xxx.xxx.13.49;rport=35700;branch=z9hG4bK1BDE5BF2809C4223A13FC5B1A9AC21CC.
> From: 1011 <sip:1011@ser.xxx.net.tw>;tag=3281269171.
> To: <sip:1033@ser.xxx.net.tw>.
> Contact: <sip:1011@xxx.xxx.13.49:35700>.
> Call-ID: B6E73E25-87F9-40BB-A895-561E4ADE8AC8(a)10.18.1.70.
> CSeq: 26232 INVITE.
> Proxy-Authorization: Digest
>
username="1011",realm="ser.xxx.net.tw",nonce="42196d5483841de0d6b79c7dfb4156e2c932e4cb",response="7004beab12b3ac6874c5cd86e5659930",uri="sip:1033@ser.xxx.net.tw".
> Max-Forwards: 16.
> Content-Type: application/sdp.
> User-Agent: X-PRO build 1082.
> Content-Length: 264.
> .
> v=0.
> o=1011 46238507 46238507 IN IP4 10.18.1.70.
> s=X-PRO.
> c=IN IP4 10.18.1.70.
> t=0 0.
> m=audio 8000 RTP/AVP 8 3 98 97 101.
> a=rtpmap:8 pcma/8000.
> a=rtpmap:3 gsm/8000.
> a=rtpmap:98 iLBC/8000.
> a=rtpmap:97 speex/8000.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
> #
> U xxx.xxx.13.49:33536 -> xxx.xxx.190.248:5060
> SIP/2.0 486 Busy Here.
> Via: SIP/2.0/UDP xxx.xxx.190.248;branch=z9hG4bKa7ac.b59d9107.0.
> Via: SIP/2.0/UDP
>
10.18.1.70:5060;received=xxx.xxx.13.49;rport=35700;branch=z9hG4bK1BDE5BF2809C4223A13FC5B1A9AC21CC.
> Record-Route: <sip:xxx.xxx.190.248;ftag=3281269171;lr=on>.
> Call-ID: B6E73E25-87F9-40BB-A895-561E4ADE8AC8(a)10.18.1.70.
> CSeq: 26232 INVITE.
> From: 1011 <sip:1011@ser.xxx.net.tw>;tag=3281269171.
> To: <sip:1033@ser.xxx.net.tw>;tag=A8VnZRzqB2nyNgYQ.
> Contact: <sip:1033@10.18.1.102:1718>.
> Content-Length: 0.
> .
>
> #
> U xxx.xxx.190.248:5060 -> xxx.xxx.13.49:33536
> ACK sip:1033@xxx.xxx.13.49:33536 SIP/2.0.
> Via: SIP/2.0/UDP xxx.xxx.190.248;branch=z9hG4bKa7ac.b59d9107.0.
> From: 1011 <sip:1011@ser.xxx.net.tw>;tag=3281269171.
> Call-ID: B6E73E25-87F9-40BB-A895-561E4ADE8AC8(a)10.18.1.70.
> To: <sip:1033@ser.xxx.net.tw>;tag=A8VnZRzqB2nyNgYQ.
> CSeq: 26232 ACK.
> User-Agent: Sip EXpress router(0.10.99-dev0 (i386/linux)).
> Content-Length: 0.
> .
>
> #
> U xxx.xxx.13.49:35700 -> xxx.xxx.190.248:5060
> .
>
> #
> U xxx.xxx.13.49:35700 -> xxx.xxx.190.248:5060
> .
>
> #
> U xxx.xxx.190.248:5060 -> xxx.xxx.13.49:35700
> SIP/2.0 408 Request Timeout.
> Via: SIP/2.0/UDP
>
10.18.1.70:5060;rport=35700;branch=z9hG4bK1BDE5BF2809C4223A13FC5B1A9AC21CC;received=xxx.xxx.13.49.
> From: 1011 <sip:1011@ser.xxx.net.tw>;tag=3281269171.
> To: <sip:1033@ser.xxx.net.tw>;tag=5f573bbafd260ada15def89f1b1724a2-6b7e.
> Call-ID: B6E73E25-87F9-40BB-A895-561E4ADE8AC8(a)10.18.1.70.
> CSeq: 26232 INVITE.
> Server: Sip EXpress router (0.10.99-dev0 (i386/linux)).
> Content-Length: 0.
> Warning: 392 xxx.xxx.190.248:5060 "Noisy feedback tells: pid=4203
> req_src_ip=xxx.xxx.13.49 req_src_port=35700
> in_uri=sip:1033@ser.xxx.net.tw out_uri=sip:1033@xxx.xxx.13.49:33536
> via_cnt==0".
> .
>
> #
> U xxx.xxx.13.49:35700 -> xxx.xxx.190.248:5060
> ACK sip:1033@ser.xxx.net.tw SIP/2.0.
> Via: SIP/2.0/UDP
> 10.18.1.70:5060;rport;branch=z9hG4bK1BDE5BF2809C4223A13FC5B1A9AC21CC.
> From: 1011 <sip:1011@ser.xxx.net.tw>;tag=3281269171.
> To: <sip:1033@ser.xxx.net.tw>;tag=5f573bbafd260ada15def89f1b1724a2-6b7e.
> Contact: <sip:1011@10.18.1.70:5060>.
> Call-ID: B6E73E25-87F9-40BB-A895-561E4ADE8AC8(a)10.18.1.70.
> CSeq: 26232 ACK.
> Max-Forwards: 70.
> Content-Length: 0.
> .
>
> #
> #
> U xxx.xxx.190.248:5060 -> xxx.xxx.13.49:35700
> ....
> #
> U xxx.xxx.190.248:5060 -> xxx.xxx.13.49:33536
> ....
> #
> U xxx.xxx.13.49:33536 -> xxx.xxx.190.248:5060
> ................
> #
> U xxx.xxx.13.49:35700 -> xxx.xxx.190.248:5060
> .
>
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