[SR-Users] Help With kamailio not responding ack propperly.

anfecora anfecora at gmail.com
Thu Oct 24 01:41:36 CEST 2013 

Hi all, can anyone help me to find out what is wrong with my setup, i have
an asterisk behind a kamailio, kamailio is proxying all packages  to the
outside.

when the call is bridge it gets disconnected after a few seconds, it seems
that our voip carrier is sending a bye because we didn't answer to their
200 ok properly, but as the trace shows we did only that kamailio is
answering to the contact header ip not the ip that is sending the ok.

any help is appreciated .

thanks.

my setup

request_route {

        if (!mf_process_maxfwd_header("10")) {
                sl_send_reply("483","Too Many Hops");
                exit;
        }


        if(is_method("OPTIONS")) {
            # send reply for each options request
            sl_send_reply("200", "ok");
            exit();
         }

   if(method=="BYE") {
   #Account BYE transactions

};


if (method=="CANCEL") {
if (t_check_trans()) t_relay();

exit;
};



 if (loose_route()) {


t_relay();
                exit;
       }


 if (is_method("INVITE")) {


                record_route();

        }
f (!t_relay_to_udp("3.1.1.1", "5060")) {
sl_reply_error();
exit;
};
exit
};

here is a trace to a call made to a hotel.
i had changed the real ips for obvious reasons.
thanks.


asterisk ip 1.1.1.1
kamailio internal 1.1.1.2
kamailio external 2.0.0.1
Voip Carrier 3.1.1.1
voip contact ip 3.1.1.2



U 2013/10/23 17:26:03.920163 1.1.1.1:5060 -> 1.1.1.2:5060
INVITE sip:23276341079 at 2.0.0.1 SIP/2.0.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK4bd52990;rport.
Max-Forwards: 70.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
To: <sip:23276341079 at 2.0.0.1>.
Contact: <sip:+19812457865 at 1.1.1.1:5060>.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 INVITE.
User-Agent: Asterisk PBX 1.8.15-cert2.
Date: Wed, 23 Oct 2013 21:26:46 GMT.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO,
PUBLISH.
Supported: replaces, timer.
Privacy: off.
P-Asserted-Identity: sip:+19812457865 at 1.1.1.1.
Cisco-Guid: 25655507-3591552378-379709
Content-Type: application/sdp.
Content-Length: 333.
.
v=0.
o=root 519803789 519803789 IN IP4 1.1.1.1.
s=Asterisk PBX 1.8.15-cert2.
c=IN IP4 1.1.1.1.
t=0 0.
m=audio 49926 RTP/AVP 0 18 3 8 101.
a=rtpmap:0 PCMU/8000.
a=rtpmap:18 G729/8000.
a=fmtp:18 annexb=no.
a=rtpmap:3 GSM/8000.
a=rtpmap:8 PCMA/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=ptime:20.
a=sendrecv.


U 2013/10/23 17:26:03.921355 1.1.1.2:5060 -> 1.1.1.1:5060
SIP/2.0 100 trying -- your call is important to us.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK4bd52990;rport=5060.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
To: <sip:23276341079 at 2.0.0.1>.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 INVITE.
Server: kamailio (4.0.4 (x86_64/linux)).
Content-Length: 0.
.


U 2013/10/23 17:26:03.921544 1.1.1.2:5060 -> 3.1.1.1:5060
INVITE sip:76890723276341079 at 3.1.1.1:5060 SIP/2.0.
Record-Route: <sip:2.0.0.1;lr=on;ftag=as4bc322e9>.
Via: SIP/2.0/UDP 2.0.0.1:5060;branch=z9hG4bK887c.94fdcd27.0.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK4bd52990;rport=5060.
Max-Forwards: 16.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
To: <sip:76890723276341079 at 3.1.1.1>.
Contact: <sip:+19812457865 at 1.1.1.1:5060>.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 INVITE.
User-Agent: Asterisk PBX 1.8.15-cert2.
Date: Wed, 23 Oct 2013 21:26:46 GMT.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO,
PUBLISH.
Supported: replaces, timer.
Privacy: off.
P-Asserted-Identity: sip:+19812457865 at 1.1.1.1.
Cisco-Guid: 25655507-3591552378-379709
Content-Type: application/sdp.
Content-Length: 333.
.
v=0.
o=root 519803789 519803789 IN IP4 1.1.1.1.
s=Asterisk PBX 1.8.15-cert2.
c=IN IP4 1.1.1.1.
t=0 0.
m=audio 49926 RTP/AVP 0 18 3 8 101.
a=rtpmap:0 PCMU/8000.
a=rtpmap:18 G729/8000.
a=fmtp:18 annexb=no.
a=rtpmap:3 GSM/8000.
a=rtpmap:8 PCMA/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=ptime:20.
a=sendrecv.


U 2013/10/23 17:26:03.955394 3.1.1.1:5060 -> 1.1.1.2:5060
SIP/2.0 100 Giving a try.
Via: SIP/2.0/UDP 2.0.0.1:5060;branch=z9hG4bK887c.94fdcd27.0.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK4bd52990;rport=5060.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
To: <sip:76890723276341079 at 3.1.1.1>.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 INVITE.
Server: gProxy (1.8.3 (i386/Linux)).
Content-Length: 0.
.


U 2013/10/23 17:26:04.424330 3.1.1.1:5060 -> 1.1.1.2:5060
SIP/2.0 183 Session Progress.
Via: SIP/2.0/UDP 2.0.0.1:5060;branch=z9hG4bK887c.94fdcd27.0.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK4bd52990;rport=5060.
Record-Route: <sip:3.1.1.1;lr;ftag=as4bc322e9;did=8b8.d7ef5a05>.
Record-Route: <sip:2.0.0.1;lr=on;ftag=as4bc322e9>.
To: <sip:76890723276341079 at 3.1.1.1>;tag=3591552407-393967.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 INVITE.
Allow: INVITE, BYE, OPTIONS, CANCEL, ACK, REGISTER, NOTIFY, INFO, REFER,
SUBSCRIBE, PRACK, UPDATE.
Contact: <sip:76890723276341079 at 3.1.1.2:5060>.
Call-Info:
<sip:3.1.1.2>;method="NOTIFY;Event=telephone-event;Duration=1000".
Allow-Events: telephone-event.
Content-Type: application/sdp.
Content-Length: 202.
.
v=0.
o=MSXB 4755 8544 IN IP4 3.1.1.2.
s=sip call.
c=IN IP4 204.15.40.111.
t=0 0.
m=audio 33408 RTP/AVP 0 101.
a=rtpmap:0 PCMU/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=ptime:20.


U 2013/10/23 17:26:04.424521 1.1.1.2:5060 -> 1.1.1.1:5060
SIP/2.0 183 Session Progress.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK4bd52990;rport=5060.
Record-Route: <sip:3.1.1.1;lr;ftag=as4bc322e9;did=8b8.d7ef5a05>.
Record-Route: <sip:2.0.0.1;lr=on;ftag=as4bc322e9>.
To: <sip:76890723276341079 at 3.1.1.1>;tag=3591552407-393967.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 INVITE.
Allow: INVITE, BYE, OPTIONS, CANCEL, ACK, REGISTER, NOTIFY, INFO, REFER,
SUBSCRIBE, PRACK, UPDATE.
Contact: <sip:76890723276341079 at 3.1.1.2:5060>.
Call-Info:
<sip:3.1.1.2>;method="NOTIFY;Event=telephone-event;Duration=1000".
Allow-Events: telephone-event.
Content-Type: application/sdp.
Content-Length: 202.
.
v=0.
o=MSXB 4755 8544 IN IP4 3.1.1.2.
s=sip call.
c=IN IP4 204.15.40.111.
t=0 0.
m=audio 33408 RTP/AVP 0 101.
a=rtpmap:0 PCMU/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=ptime:20.


U 2013/10/23 17:26:16.846067 3.1.1.1:5060 -> 1.1.1.2:5060
SIP/2.0 200 OK.
Session-Expires: 3600;refresher=uas.
Require: timer.
Via: SIP/2.0/UDP 2.0.0.1:5060;branch=z9hG4bK887c.94fdcd27.0.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK4bd52990;rport=5060.
Record-Route: <sip:3.1.1.1;lr;ftag=as4bc322e9;did=8b8.d7ef5a05>.
Record-Route: <sip:2.0.0.1;lr=on;ftag=as4bc322e9>.
To: <sip:76890723276341079 at 3.1.1.1>;tag=3591552407-393967.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 INVITE.
Allow: INVITE, BYE, OPTIONS, CANCEL, ACK, REGISTER, NOTIFY, INFO, REFER,
SUBSCRIBE, PRACK, UPDATE.
Contact: <sip:76890723276341079 at 3.1.1.2:5060>.
Call-Info:
<sip:3.1.1.2>;method="NOTIFY;Event=telephone-event;Duration=1000".
Allow-Events: telephone-event.
Content-Type: application/sdp.
Content-Length: 202.
.
v=0.
o=MSXB 4755 8544 IN IP4 3.1.1.2.
s=sip call.
c=IN IP4 204.15.40.111.
t=0 0.
m=audio 33408 RTP/AVP 0 101.
a=rtpmap:0 PCMU/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=ptime:20.


U 2013/10/23 17:26:16.846201 1.1.1.2:5060 -> 1.1.1.1:5060
SIP/2.0 200 OK.
Session-Expires: 3600;refresher=uas.
Require: timer.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK4bd52990;rport=5060.
Record-Route: <sip:3.1.1.1;lr;ftag=as4bc322e9;did=8b8.d7ef5a05>.
Record-Route: <sip:2.0.0.1;lr=on;ftag=as4bc322e9>.
To: <sip:76890723276341079 at 3.1.1.1>;tag=3591552407-393967.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 INVITE.
Allow: INVITE, BYE, OPTIONS, CANCEL, ACK, REGISTER, NOTIFY, INFO, REFER,
SUBSCRIBE, PRACK, UPDATE.
Contact: <sip:76890723276341079 at 3.1.1.2:5060>.
Call-Info:
<sip:3.1.1.2>;method="NOTIFY;Event=telephone-event;Duration=1000".
Allow-Events: telephone-event.
Content-Type: application/sdp.
Content-Length: 202.
.
v=0.
o=MSXB 4755 8544 IN IP4 3.1.1.2.
s=sip call.
c=IN IP4 204.15.40.111.
t=0 0.
m=audio 33408 RTP/AVP 0 101.
a=rtpmap:0 PCMU/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=ptime:20.


T 2013/10/23 17:26:16.846287 1.1.1.2:55305 -> 10.0.3.54:3306 [AP]
.....insert into acc
(method,from_tag,to_tag,callid,sip_code,sip_reason,time,from_uri,to_uri,kekuintid,type_call,dst_ip,carriercode,callmode
) values ('INVITE','as4bc322e9','3591552407-393967','
7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060','200','OK','2013-10-23
17:26:16','sip:+19812457865 at 1.1.1.1','sip:23276341079 at 2.0.0.1
','+19812457865','1.1.1.1','sip:76890723276341079 at 3.1.1.1:5060','
sip:23276341079 at 2.0.0.1','OUT')

U 2013/10/23 17:26:16.847421 1.1.1.1:5060 -> 1.1.1.2:5060
ACK sip:76890723276341079 at 3.1.1.2:5060 SIP/2.0.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK05b1c5df;rport.
Route:
<sip:2.0.0.1;lr=on;ftag=as4bc322e9>,<sip:3.1.1.1;lr;ftag=as4bc322e9;did=8b8.d7ef5a05>.
Max-Forwards: 70.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
To: <sip:23276341079 at 2.0.0.1>;tag=3591552407-393967.
Contact: <sip:+19812457865 at 1.1.1.1:5060>.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 ACK.
User-Agent: Asterisk PBX 1.8.15-cert2.
Content-Length: 0.
.


U 2013/10/23 17:26:16.847651 1.1.1.2:5060 -> 3.1.1.2:5060
ACK sip:76890723276341079 at 3.1.1.2:5060 SIP/2.0.
Via: SIP/2.0/UDP 2.0.0.1:5060;branch=z9hG4bKcydzigwkX.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK05b1c5df;rport=5060.
Route:
<sip:2.0.0.1;lr=on;ftag=as4bc322e9>,<sip:3.1.1.1;lr;ftag=as4bc322e9;did=8b8.d7ef5a05>.
Max-Forwards: 16.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
To: <sip:76890723276341079 at 3.1.1.2>;tag=3591552407-393967.
Contact: <sip:+19812457865 at 1.1.1.1:5060>.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 ACK.
User-Agent: Asterisk PBX 1.8.15-cert2.
Content-Length: 0.
.


U 2013/10/23 17:26:17.346094 3.1.1.1:5060 -> 1.1.1.2:5060
SIP/2.0 200 OK.
Session-Expires: 3600;refresher=uas.
Require: timer.
Via: SIP/2.0/UDP 2.0.0.1:5060;branch=z9hG4bK887c.94fdcd27.0.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK4bd52990;rport=5060.
Record-Route: <sip:3.1.1.1;lr;ftag=as4bc322e9;did=8b8.d7ef5a05>.
Record-Route: <sip:2.0.0.1;lr=on;ftag=as4bc322e9>.
To: <sip:76890723276341079 at 3.1.1.1>;tag=3591552407-393967.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 INVITE.
Allow: INVITE, BYE, OPTIONS, CANCEL, ACK, REGISTER, NOTIFY, INFO, REFER,
SUBSCRIBE, PRACK, UPDATE.
Contact: <sip:76890723276341079 at 3.1.1.2:5060>.
Call-Info:
<sip:3.1.1.2>;method="NOTIFY;Event=telephone-event;Duration=1000".
Allow-Events: telephone-event.
Content-Type: application/sdp.
Content-Length: 202.
.
v=0.
o=MSXB 4755 8544 IN IP4 3.1.1.2.
s=sip call.
c=IN IP4 204.15.40.111.
t=0 0.
m=audio 33408 RTP/AVP 0 101.
a=rtpmap:0 PCMU/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=ptime:20.


U 2013/10/23 17:26:17.346262 1.1.1.2:5060 -> 1.1.1.1:5060
SIP/2.0 200 OK.
Session-Expires: 3600;refresher=uas.
Require: timer.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK4bd52990;rport=5060.
Record-Route: <sip:3.1.1.1;lr;ftag=as4bc322e9;did=8b8.d7ef5a05>.
Record-Route: <sip:2.0.0.1;lr=on;ftag=as4bc322e9>.
To: <sip:76890723276341079 at 3.1.1.1>;tag=3591552407-393967.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 INVITE.
Allow: INVITE, BYE, OPTIONS, CANCEL, ACK, REGISTER, NOTIFY, INFO, REFER,
SUBSCRIBE, PRACK, UPDATE.
Contact: <sip:76890723276341079 at 3.1.1.2:5060>.
Call-Info:
<sip:3.1.1.2>;method="NOTIFY;Event=telephone-event;Duration=1000".
Allow-Events: telephone-event.
Content-Type: application/sdp.
Content-Length: 202.
.
v=0.
o=MSXB 4755 8544 IN IP4 3.1.1.2.
s=sip call.
c=IN IP4 204.15.40.111.
t=0 0.
m=audio 33408 RTP/AVP 0 101.
a=rtpmap:0 PCMU/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=ptime:20.


U 2013/10/23 17:26:17.349001 1.1.1.1:5060 -> 1.1.1.2:5060
ACK sip:76890723276341079 at 3.1.1.2:5060 SIP/2.0.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK675a9141;rport.
Route:
<sip:2.0.0.1;lr=on;ftag=as4bc322e9>,<sip:3.1.1.1;lr;ftag=as4bc322e9;did=8b8.d7ef5a05>.
Max-Forwards: 70.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
To: <sip:23276341079 at 2.0.0.1>;tag=3591552407-393967.
Contact: <sip:+19812457865 at 1.1.1.1:5060>.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 ACK.
User-Agent: Asterisk PBX 1.8.15-cert2.
Content-Length: 0.
.


U 2013/10/23 17:26:17.349223 1.1.1.2:5060 -> 3.1.1.2:5060
ACK sip:76890723276341079 at 3.1.1.2:5060 SIP/2.0.
Via: SIP/2.0/UDP 2.0.0.1:5060;branch=z9hG4bKcydzigwkX.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK675a9141;rport=5060.
Route:
<sip:2.0.0.1;lr=on;ftag=as4bc322e9>,<sip:3.1.1.1;lr;ftag=as4bc322e9;did=8b8.d7ef5a05>.
Max-Forwards: 16.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
To: <sip:76890723276341079 at 3.1.1.2>;tag=3591552407-393967.
Contact: <sip:+19812457865 at 1.1.1.1:5060>.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 ACK.
User-Agent: Asterisk PBX 1.8.15-cert2.
Content-Length: 0.
.


U 2013/10/23 17:26:18.347584 3.1.1.1:5060 -> 1.1.1.2:5060
SIP/2.0 200 OK.
Session-Expires: 3600;refresher=uas.
Require: timer.
Via: SIP/2.0/UDP 2.0.0.1:5060;branch=z9hG4bK887c.94fdcd27.0.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK4bd52990;rport=5060.
Record-Route: <sip:3.1.1.1;lr;ftag=as4bc322e9;did=8b8.d7ef5a05>.
Record-Route: <sip:2.0.0.1;lr=on;ftag=as4bc322e9>.
To: <sip:76890723276341079 at 3.1.1.1>;tag=3591552407-393967.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 INVITE.
Allow: INVITE, BYE, OPTIONS, CANCEL, ACK, REGISTER, NOTIFY, INFO, REFER,
SUBSCRIBE, PRACK, UPDATE.
Contact: <sip:76890723276341079 at 3.1.1.2:5060>.
Call-Info:
<sip:3.1.1.2>;method="NOTIFY;Event=telephone-event;Duration=1000".
Allow-Events: telephone-event.
Content-Type: application/sdp.
Content-Length: 202.
.
v=0.
o=MSXB 4755 8544 IN IP4 3.1.1.2.
s=sip call.
c=IN IP4 204.15.40.111.
t=0 0.
m=audio 33408 RTP/AVP 0 101.
a=rtpmap:0 PCMU/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=ptime:20.


U 2013/10/23 17:26:18.347767 1.1.1.2:5060 -> 1.1.1.1:5060
SIP/2.0 200 OK.
Session-Expires: 3600;refresher=uas.
Require: timer.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK4bd52990;rport=5060.
Record-Route: <sip:3.1.1.1;lr;ftag=as4bc322e9;did=8b8.d7ef5a05>.
Record-Route: <sip:2.0.0.1;lr=on;ftag=as4bc322e9>.
To: <sip:76890723276341079 at 3.1.1.1>;tag=3591552407-393967.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 INVITE.
Allow: INVITE, BYE, OPTIONS, CANCEL, ACK, REGISTER, NOTIFY, INFO, REFER,
SUBSCRIBE, PRACK, UPDATE.
Contact: <sip:76890723276341079 at 3.1.1.2:5060>.
Call-Info:
<sip:3.1.1.2>;method="NOTIFY;Event=telephone-event;Duration=1000".
Allow-Events: telephone-event.
Content-Type: application/sdp.
Content-Length: 202.
.
v=0.
o=MSXB 4755 8544 IN IP4 3.1.1.2.
s=sip call.
c=IN IP4 204.15.40.111.
t=0 0.
m=audio 33408 RTP/AVP 0 101.
a=rtpmap:0 PCMU/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=ptime:20.


U 2013/10/23 17:26:18.348867 1.1.1.1:5060 -> 1.1.1.2:5060
ACK sip:76890723276341079 at 3.1.1.2:5060 SIP/2.0.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK3fc3c548;rport.
Route:
<sip:2.0.0.1;lr=on;ftag=as4bc322e9>,<sip:3.1.1.1;lr;ftag=as4bc322e9;did=8b8.d7ef5a05>.
Max-Forwards: 70.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
To: <sip:23276341079 at 2.0.0.1>;tag=3591552407-393967.
Contact: <sip:+19812457865 at 1.1.1.1:5060>.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 ACK.
User-Agent: Asterisk PBX 1.8.15-cert2.
Content-Length: 0.
.


U 2013/10/23 17:26:18.349133 1.1.1.2:5060 -> 3.1.1.2:5060
ACK sip:76890723276341079 at 3.1.1.2:5060 SIP/2.0.
Via: SIP/2.0/UDP 2.0.0.1:5060;branch=z9hG4bKcydzigwkX.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK3fc3c548;rport=5060.
Route:
<sip:2.0.0.1;lr=on;ftag=as4bc322e9>,<sip:3.1.1.1;lr;ftag=as4bc322e9;did=8b8.d7ef5a05>.
Max-Forwards: 16.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
To: <sip:76890723276341079 at 3.1.1.2>;tag=3591552407-393967.
Contact: <sip:+19812457865 at 1.1.1.1:5060>.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 ACK.
User-Agent: Asterisk PBX 1.8.15-cert2.
Content-Length: 0.
.


U 2013/10/23 17:26:20.352624 3.1.1.1:5060 -> 1.1.1.2:5060
SIP/2.0 200 OK.
Session-Expires: 3600;refresher=uas.
Require: timer.
Via: SIP/2.0/UDP 2.0.0.1:5060;branch=z9hG4bK887c.94fdcd27.0.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK4bd52990;rport=5060.
Record-Route: <sip:3.1.1.1;lr;ftag=as4bc322e9;did=8b8.d7ef5a05>.
Record-Route: <sip:2.0.0.1;lr=on;ftag=as4bc322e9>.
To: <sip:76890723276341079 at 3.1.1.1>;tag=3591552407-393967.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 INVITE.
Allow: INVITE, BYE, OPTIONS, CANCEL, ACK, REGISTER, NOTIFY, INFO, REFER,
SUBSCRIBE, PRACK, UPDATE.
Contact: <sip:76890723276341079 at 3.1.1.2:5060>.
Call-Info:
<sip:3.1.1.2>;method="NOTIFY;Event=telephone-event;Duration=1000".
Allow-Events: telephone-event.
Content-Type: application/sdp.
Content-Length: 202.
.
v=0.
o=MSXB 4755 8544 IN IP4 3.1.1.2.
s=sip call.
c=IN IP4 204.15.40.111.
t=0 0.
m=audio 33408 RTP/AVP 0 101.
a=rtpmap:0 PCMU/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=ptime:20.


U 2013/10/23 17:26:20.353056 1.1.1.2:5060 -> 1.1.1.1:5060
SIP/2.0 200 OK.
Session-Expires: 3600;refresher=uas.
Require: timer.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK4bd52990;rport=5060.
Record-Route: <sip:3.1.1.1;lr;ftag=as4bc322e9;did=8b8.d7ef5a05>.
Record-Route: <sip:2.0.0.1;lr=on;ftag=as4bc322e9>.
To: <sip:76890723276341079 at 3.1.1.1>;tag=3591552407-393967.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 INVITE.
Allow: INVITE, BYE, OPTIONS, CANCEL, ACK, REGISTER, NOTIFY, INFO, REFER,
SUBSCRIBE, PRACK, UPDATE.
Contact: <sip:76890723276341079 at 3.1.1.2:5060>.
Call-Info:
<sip:3.1.1.2>;method="NOTIFY;Event=telephone-event;Duration=1000".
Allow-Events: telephone-event.
Content-Type: application/sdp.
Content-Length: 202.
.
v=0.
o=MSXB 4755 8544 IN IP4 3.1.1.2.
s=sip call.
c=IN IP4 204.15.40.111.
t=0 0.
m=audio 33408 RTP/AVP 0 101.
a=rtpmap:0 PCMU/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=ptime:20.


U 2013/10/23 17:26:20.354026 1.1.1.1:5060 -> 1.1.1.2:5060
ACK sip:76890723276341079 at 3.1.1.2:5060 SIP/2.0.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK280c4e9c;rport.
Route:
<sip:2.0.0.1;lr=on;ftag=as4bc322e9>,<sip:3.1.1.1;lr;ftag=as4bc322e9;did=8b8.d7ef5a05>.
Max-Forwards: 70.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
To: <sip:23276341079 at 2.0.0.1>;tag=3591552407-393967.
Contact: <sip:+19812457865 at 1.1.1.1:5060>.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 ACK.
User-Agent: Asterisk PBX 1.8.15-cert2.
Content-Length: 0.
.


U 2013/10/23 17:26:20.354248 1.1.1.2:5060 -> 3.1.1.2:5060
ACK sip:76890723276341079 at 3.1.1.2:5060 SIP/2.0.
Via: SIP/2.0/UDP 2.0.0.1:5060;branch=z9hG4bKcydzigwkX.
Via: SIP/2.0/UDP 1.1.1.1:5060;branch=z9hG4bK280c4e9c;rport=5060.
Route:
<sip:2.0.0.1;lr=on;ftag=as4bc322e9>,<sip:3.1.1.1;lr;ftag=as4bc322e9;did=8b8.d7ef5a05>.
Max-Forwards: 16.
From: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
To: <sip:76890723276341079 at 3.1.1.2>;tag=3591552407-393967.
Contact: <sip:+19812457865 at 1.1.1.1:5060>.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 102 ACK.
User-Agent: Asterisk PBX 1.8.15-cert2.
Content-Length: 0.
.


U 2013/10/23 17:26:36.355580 3.1.1.1:5060 -> 1.1.1.2:5060
BYE sip:+19812457865 at 1.1.1.1:5060 SIP/2.0.
Max-Forwards: 69.
Route: <sip:2.0.0.1;lr=on;ftag=as4bc322e9>.
To: "+19812457865" <sip:+19812457865 at 1.1.1.1>;tag=as4bc322e9.
From: <sip:76890723276341079 at 3.1.1.1>;tag=3591552407-393967.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 2 BYE.
Allow: INVITE, BYE, OPTIONS, CANCEL, ACK, REGISTER, NOTIFY, INFO, REFER,
SUBSCRIBE, PRACK, UPDATE.
Via: SIP/2.0/UDP 3.1.1.1:5060;branch=z9hG4bKce8a.db93afa3.0.
Via: SIP/2.0/UDP 3.1.1.2:5060
;branch=z9hG4bK96003ecbb11f5deaf6014235140e6952.
Contact: <sip:76890723276341079 at 3.1.1.2:5060>.
Content-Length: 0.
.


U 2013/10/23 17:26:36.355995 1.1.1.2:5060 -> 1.1.1.1:5060
BYE sip:+19812457865 at 1.1.1.1:5060 SIP/2.0.
Max-Forwards: 16.
Route: <sip:2.0.0.1;lr=on;ftag=as4bc322e9>.
To: "+19812457865" <sip:176822213 at 1.1.1.1>;tag=as4bc322e9.
From: 0 <sip:079 at 3.1.1.1>;tag=3591552407-393967.
Call-ID: 7d0ca48c1d48c14d104fac1f59194ae0 at 1.1.1.1:5060.
CSeq: 2 BYE.
Allow: INVITE, BYE, OPTIONS, CANCEL, ACK, REGISTER, NOTIFY, INFO, REFER,
SUBSCRIBE, PRACK, UPDATE.
Via: SIP/2.0/UDP 2.0.0.1:5060;branch=z9hG4bKce8a.52d22d63.0.
Via: SIP/2.0/UDP 3.1.1.1:5060;branch=z9hG4bKce8a.db93afa3.0.
Via: SIP/2.0/UDP 3.1.1.2:5060
;branch=z9hG4bK96003ecbb11f5deaf6014235140e6952.
Contact: <sip:76890723276341079 at 3.1.1.2:5060>.
Content-Length: 0.
.
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