Good afternoon Ladies and Gentlemen,
I'm trying to use OpenSIPS as a Border Controller between a PSTN and a
FreeSWITCH. The PSTN is sending all SIP-messages through a SIP-trunk.
I got OpenSIPS working fine from PSTN through OpenSIPS to FreeSWITCH, but the
other way around (from FS over OpenSIPS to PSTN), I'm getting an error message
I can't solve. (Info: There are NO phones registered with OpenSIPS or
FreeSWITCH, they are all on the PSTN, I need OpenSIPS only to guide traffic to
either my FreeSWITCH mediaserver or tot he Aus @ PBX.)
As far as I can tell, when OpenSIPS opens up a new branch it is changing
internally the headers from the incoming SIP-message from FreeSWITCH into a
wrong format and after that it's throwing two errors:
- ERROR:tm:send_ack: failed to generate a HBH ACK if key HFs in reply
missing
ERROR:tm:reply_received: failed to send ACK (local=no)
o Here I looked at the relevant code but I can't tell what it is trying to do
in the transaction module
o As well I couldn't find info about the abbreviation "HBH" or "HF"
Additionally this piece of info:
- ... SIP/2.0 400 Bad Request..Warning: 399 192.168.1.30 "Malformed
headers : From " ...
o From this somehow I found out that it's missing the ":" after From
Please see the attached files for more info.
I would very much appreciate it if somebody could give me, at least, a hint how
I could fix the problem, because by now I googled these problems for three days
now w/o a solution. I can't attach the full debug, the mail list blocks the
size of it (17KB...). I'll attach it to an answer.
Thanks in advance for any help I can get!
Very Respectfully
Dimitry Nagorny
Trainee
robot5 GmbH
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debug=4
log_stderror=no
log_facility=LOG_LOCAL0
fork=yes
children=8
listen=udp:192.168.1.150:5060
listen=udp:10.250.5.3:5080
...Standard config data (signaling and so on)...
#### MYSQL module
loadmodule "db_mysql.so"
#### USeR LOCation module
loadmodule "usrloc.so"
modparam("usrloc", "nat_bflag", "NAT")
modparam("usrloc", "db_mode", 0)
#### REGISTRAR module
loadmodule "registrar.so"
modparam("registrar", "tcp_persistent_flag", "TCP_PERSISTENT")
#### ACCounting module
loadmodule "acc.so"
modparam("acc", "early_media", 0)
modparam("acc", "report_cancels", 0)
modparam("acc", "detect_direction", 0)
modparam("acc", "failed_transaction_flag", "ACC_FAILED")
modparam("acc", "db_flag", "ACC_DO")
modparam("acc", "db_missed_flag", "ACC_MISSED")
modparam("acc", "db_url",
"mysql://root:<my password>@localhost/opensips")
#### ALIAS module
loadmodule "alias_db.so"
modparam("alias_db","db_url",
"mysql://root:<my password>@localhost/opensips")
#### DIALOG module
loadmodule "dialog.so"
modparam("dialog", "dlg_match_mode", 1)
modparam("dialog", "default_timeout", 21600) # 6 hours timeout
modparam("dialog", "db_mode", 2)
modparam("dialog", "db_url",
"mysql://root:<my password>@localhost/opensips")
#### NAT modules
loadmodule "nathelper.so"
modparam("nathelper", "natping_interval", 10)
modparam("nathelper", "ping_nated_only", 1)
modparam("nathelper","sipping_bflag", "SIP_PING_FLAG")
modparam("nathelper","sipping_from","sip:[email protected]")
modparam("nathelper", "received_avp", "$avp(received_nh)")
loadmodule "rtpproxy.so"
modparam("rtpproxy", "rtpproxy_sock", "udp:localhost:5006")
loadmodule "proto_udp.so"route {
force_rport();
...Irrelevant part...
t_check_trans();
if (loose_route()) {
xlog("L_ERR", "Attempt to route with preloaded Route's
[$fu/$tu/$ru/$ci]");
if (!is_method("ACK"))
sl_send_reply("403","Preload Route denied");
exit;
}
...Irrelevant part...
if ($rU==NULL) {
sl_send_reply("484","Address Incomplete");
exit;
}
#FreeSWITCH
route(freeswitch);
#Outbound
route(outbound);
if (!lookup("location", "m")) {
t_newtran();
t_reply("404", "Not Found");
exit;
}
setflag(ACC_MISSED);
xlog("Reaching lowest Call Relay.\n");
route(relay);
}
route[outbound] {
xlog("Jumped to Outbound.\n");
if(!is_method("INVITE")){
return;
}
if ($rU=~"^[1-9][0-9]+$") {
xlog("FS tries to call PBX! $rU@$rd:$rp via $si");
$rd="192.168.1.30";
$rp="5060";
force_send_socket(udp:192.168.1.150:5060);
route(relay);
exit;
}
}
route[freeswitch] {
if(!is_method("INVITE")){
return;
}
if ( ($rU=~"^[5]$" || $rU=~"^[7]$") && src_ip==192.168.1.30 &&
src_port==5060) {
xlog("PBX tries to call FS! $rU@$rd:$rp via $si");
$rd="10.250.5.50";
$rp="5090";
force_send_socket(udp:10.250.5.3:5080);
route(relay);
exit;
}
}
route[relay] {
if (is_method("INVITE")) {
if (has_body("application/sdp") && $si=="192.168.1.30") {
xlog("Offer rtpp Inbound.\n");
rtpproxy_offer("rei");
}else{
xlog("Offer rtpp Outbound.\n");
rtpproxy_offer("rie");
}
t_on_branch("per_branch_ops");
t_on_reply("handle_nat");
t_on_failure("missed_call");
}
if (is_method("CANCEL|BYE")) {
rtpproxy_unforce();
}
if (!t_relay()) {
send_reply("500","Internal Error");
};
exit;
}
branch_route[per_branch_ops] {
xlog("new branch at $ru\n");
}
onreply_route[handle_nat] {
if( is_method("ACK") && has_body("application/sdp")){
xlog("Answer rtpp reply\n");
rtpproxy_answer("rie");
} else if(has_body("application/sdp")) {
xlog("Offer rtpp reply\n");
rtpproxy_offer("rei");
}
xlog("incoming reply\n");
}
...Irrelevant part...
From FreeSWITCH UA to FreeSWITCH Server:
10.250.5.17:5090 -> 10.250.5.50:5090
INVITE sip:[email protected] SIP/2.0
Via: SIP/2.0/UDP 10.250.5.17:5090;branch=z9hG4bK.I4KG97dOK;rport
From: <sip:[email protected]>;tag=MeYxCN9Lq
To: sip:[email protected]
CSeq: 20 INVITE..Call-ID: t2XYFvCyYU..Max-Forwards: 70
Route: <sip:10.250.5.50:5090;lr
Supported: outbound
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE,
INFO, UPDATE
Content-Type: application/sdp
Content-Length: 328
Contact:
<sip:[email protected]:5090>;+sip.instance="<urn:uuid:2f0b19de-2db0-4bef-be7d-48bf483a8141>"
User-Agent: Linphone/3.9.1 (belle-sip/1.4.2)
v=0
o=1001 36791124 IN IP4 10.250.5.17
s=Talk
c=IN IP4 10.250.5.17
t=0 0
a=rtcp-xr:rcvr-rtt=all:10000 stat-summary=loss,dup,jitt,TTL voip-metrics
m=audio 7078 RTP/AVP 0 8 101
a=rtpmap:101 telephone-event/8000
m=video 9078 RTP/AVP 9697
a=rtpmap:96 VP8/90000
a=rtpmap:97 H264/90000
a=fmtp:97 profile-level-
id=42801F
10.250.5.50:5090 -> 10.250.5.17:5090
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 10.250.5.17:5090;branch=z9hG4bK.I4KG97dOK;rport=5090
From: <sip:[email protected]>;tag=MeYxCN9Lq
To: <sip:[email protected]>
Call-ID: t2XYFvCyYU
CSeq: 20 INVITE
User-Agent: FreeSWITCH-mod_sofia/1.7.0+git~20151211T002348Z~cae255395f~64bit
Content-Length: 0
From FreeSWITCH Server to OpenSIPS:
10.250.5.50:5090 -> 10.250.5.3:5080
INVITE sip:[email protected]:5080 SIP/2.0
Via: SIP/2.0/UDP 10.250.5.50:5090;rport;branch=z9hG4bKQ4XSKc0vUp4FD
Max-Forwards: 69
From: "1001" <sip:1001@[10.250.5.50:5090]>;tag=2XyUKHFD2y6pF
To: <sip:[email protected]:5080>
Call-ID: 65474177-6471-1234-e187-000c295a647b
CSeq: 88639388 INVITE
Contact: <sip:[email protected]:5090;transport=udp;gw=osips>
User-Agent: FreeSWITCH-mod_sofia/1.7.0+git~20151211T002348Z~cae255395f~64bit
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER,
REFER, NOTIFY
Supported: timer, path, replaces
Allow-Events: talk, hold, conference, refer
Content-Type: application/sdp
Content-Disposition: session
Content-Length: 218
X-FS-Support: update_display,send_info
Remote-Party-ID: "1001"
<sip:[email protected]:5090>;party=calling;screen=yes;privacy=off
v=0
o=FreeSWITCH 1457928161 1457928162 IN IP4 10.250.5.50
s=FreeSWITCH
c=IN IP4 10.250.5.50
t=0 0
m=audio 22744 RTP/AVP 8 101
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=ptime:20
U 10.250.5.3:5080 -> 10.250.5.50:5090
SIP/2.0 100 Giving a try
Via: SIP/2.0/UDP
10.250.5.50:5090;received=10.250.5.50;rport=5090;branch=z9hG4bKQ4XSKc0vUp4FD
From: "1001" <sip:1001@[10.250.5.50:5090]>;tag=2XyUKHFD2y6pF
To: <sip:[email protected]:5080>
Call-ID: 65474177-6471-1234-e187-000c295a647b
CSeq: 88639388 INVITE
Server: OpenSIPS (2.1.2 (x86_64/linux))
Content-Length: 0
U 10.250.5.3:5080 -> 10.250.5.50:5090
SIP/2.0 400 Bad Request
Warning: 399 192.168.1.30 "Malformed headers : From "
To: <sip:[email protected]:5080>;tag=7ea5fd275b6bfe2bcdd1565b6841ecc6
Call-ID: 65474177-6471-1234-e187-000c295a647b
CSeq: 88639388 INVITE
Via: SIP/2.0/UDP
10.250.5.50:5090;received=10.250.5.50;rport=5090;branch=z9hG4bKQ4XSKc0vUp4FD
Content-Length: 0
After that only timeout or cancels ends sending this error.
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