[Spce-user] No voice comes through

Tobi Szyndler szyndler at datapark.ch
Thu Oct 23 07:55:08 EDT 2014


Hi list

I installed the community edition in a testing environment (SPCE v2.8
LTS on Debian GNU/Linux 6.0.10 (squeeze))
Two subscibers connect to the server from a routed network (server
192.168.11.0/24 clients 172.27.1.0/24 The networks are routed NOT nated
on the firewall). The connection works and these two subscribers can
call the other (and vice versa). The problem is that there is no voice
when pickup the phone, but the phones ring properly.
I already tried the following described here:
https://www.sipwise.com/doc/2.8/spce/ar01s05.html#_audiocodes_devices_workaround
but that did not change anything so far.
I attached a sip-dump.txt from two tries to call the other side.
Hopefully that helps to narrow down the problem

Thanks a lot for any help
Regards

tobi
-------------- next part --------------
interface: eth1 (192.168.11.0/255.255.255.0)
filter: (ip or ip6) and ( port 5060 )
match: (^|CSeq:\s?\d* )(INVITE|ACK|CANCEL|BYE|MESSAGE|REFER|PRACK|INFO|UPDATE)
#######
U 2014/10/23 15:43:23.284174 172.27.1.11:5060 -> 192.168.11.2:5060
INVITE sip:0715607682 at 192.168.11.2:5060 SIP/2.0'
Via: SIP/2.0/UDP 172.27.1.11;branch=z9hG4bKe4523a18af96d5c1e'
Max-Forwards: 70'
From: <sip:0715607681 at 192.168.11.2>;tag=b8074be154'
To: <sip:0715607682 at 192.168.11.2:5060>'
Call-ID: 1771a83914b76143'
CSeq: 696973957 INVITE'
Allow:  INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, PRACK, INFO'
Contact: <sip:0715607681 at 172.27.1.11:5060;transport=udp>'
Supported: timer, 100rel, replaces'
User-Agent: Brcm-Callctrl/v1.10.3 M5T SIP Stack/4.1.2.2'
Content-Type: application/sdp'
Content-Length: 268'
'
v=0'
o=MxSIP 0 0 IN IP4 172.27.1.11'
s=SIP Call'
c=IN IP4 172.27.1.11'
t=0 0'
m=audio 53456 RTP/AVP 0 8 101'
a=rtpmap:0 PCMU/8000'
a=rtpmap:8 PCMA/8000'
a=rtpmap:101 telephone-event/8000'
a=fmtp:101 0-15,144,149,159'
a=ptime:20'
a=sendrecv'
a=silenceSupp:off - - - -'

#
U 2014/10/23 15:43:23.285795 192.168.11.2:5060 -> 172.27.1.11:5060
SIP/2.0 100 Trying'
Via: SIP/2.0/UDP 172.27.1.11;rport=5060;branch=z9hG4bKe4523a18af96d5c1e'
From: <sip:0715607681 at 192.168.11.2>;tag=b8074be154'
To: <sip:0715607682 at 192.168.11.2:5060>'
Call-ID: 1771a83914b76143'
CSeq: 696973957 INVITE'
Server: Sipwise NGCP Proxy 2.X'
Content-Length: 0'
'

#
U 2014/10/23 15:43:23.288003 192.168.11.2:5060 -> 172.27.1.11:5060
SIP/2.0 407 Proxy Authentication Required'
Via: SIP/2.0/UDP 172.27.1.11;rport=5060;branch=z9hG4bKe4523a18af96d5c1e'
From: <sip:0715607681 at 192.168.11.2>;tag=b8074be154'
To: <sip:0715607682 at 192.168.11.2:5060>;tag=fafb31f21585bab48491557135326520.c240'
Call-ID: 1771a83914b76143'
CSeq: 696973957 INVITE'
Proxy-Authenticate: Digest realm="192.168.11.2", nonce="VEkHJlRJBfrA35Vi/Czrv6AvKHi0J0Ag"'
Server: Sipwise NGCP Proxy 2.X'
Content-Length: 0'
'

#
U 2014/10/23 15:43:23.306771 172.27.1.11:5060 -> 192.168.11.2:5060
ACK sip:0715607682 at 192.168.11.2:5060 SIP/2.0'
Via: SIP/2.0/UDP 172.27.1.11;branch=z9hG4bKe4523a18af96d5c1e'
Max-Forwards: 70'
From: <sip:0715607681 at 192.168.11.2>;tag=b8074be154'
To: <sip:0715607682 at 192.168.11.2:5060>;tag=fafb31f21585bab48491557135326520.c240'
Call-ID: 1771a83914b76143'
CSeq: 696973957 ACK'
User-Agent: Brcm-Callctrl/v1.10.3 M5T SIP Stack/4.1.2.2'
Content-Length: 0'
'

#
U 2014/10/23 15:43:23.306819 172.27.1.11:5060 -> 192.168.11.2:5060
INVITE sip:0715607682 at 192.168.11.2:5060 SIP/2.0'
Via: SIP/2.0/UDP 172.27.1.11;branch=z9hG4bK386c6f8ec4c97e067'
Proxy-Authorization: Digest username="0715607681",realm="192.168.11.2",nonce="VEkHJlRJBfrA35Vi/Czrv6AvKHi0J0Ag",uri="sip:0715607682 at 192.168.11.2:5060",response="2b2b45cfe9f5aab7a1d74be495557d21"'
Max-Forwards: 70'
From: <sip:0715607681 at 192.168.11.2>;tag=b8074be154'
To: <sip:0715607682 at 192.168.11.2:5060>'
Call-ID: 1771a83914b76143'
CSeq: 696973958 INVITE'
Allow:  INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, PRACK, INFO'
Contact: <sip:0715607681 at 172.27.1.11:5060;transport=udp>'
Supported: timer, 100rel, replaces'
User-Agent: Brcm-Callctrl/v1.10.3 M5T SIP Stack/4.1.2.2'
Content-Type: application/sdp'
Content-Length: 268'
'
v=0'
o=MxSIP 0 0 IN IP4 172.27.1.11'
s=SIP Call'
c=IN IP4 172.27.1.11'
t=0 0'
m=audio 53456 RTP/AVP 0 8 101'
a=rtpmap:0 PCMU/8000'
a=rtpmap:8 PCMA/8000'
a=rtpmap:101 telephone-event/8000'
a=fmtp:101 0-15,144,149,159'
a=ptime:20'
a=sendrecv'
a=silenceSupp:off - - - -'

#
U 2014/10/23 15:43:23.308074 192.168.11.2:5060 -> 172.27.1.11:5060
SIP/2.0 100 Trying'
Via: SIP/2.0/UDP 172.27.1.11;rport=5060;branch=z9hG4bK386c6f8ec4c97e067'
From: <sip:0715607681 at 192.168.11.2>;tag=b8074be154'
To: <sip:0715607682 at 192.168.11.2:5060>'
Call-ID: 1771a83914b76143'
CSeq: 696973958 INVITE'
Server: Sipwise NGCP Proxy 2.X'
Content-Length: 0'
'

#
U 2014/10/23 15:43:23.339928 192.168.11.2:5060 -> 172.27.1.4:5060
INVITE sip:0715607682 at 172.27.1.4:5060;transport=udp SIP/2.0'
Max-Forwards: 10'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=15A841F3-544905FB0005282F-76F24700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=15A841F3-544905FB0005282F-76F24700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Via: SIP/2.0/UDP 192.168.11.2;branch=z9hG4bK08cf.8fb9f5269609100646f7592fdbb1c6df.0'
Via: SIP/2.0/UDP 192.168.11.3:5080;branch=z9hG4bK7FNDsaqX;rport=5080'
From: <sip:41715607681 at 192.168.11.2>;tag=15A841F3-544905FB0005282F-76F24700'
To: <sip:0715607682 at 192.168.11.2>'
CSeq: 10 INVITE'
Call-ID: 1771a83914b76143_b2b-1'
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, PRACK, INFO'
Supported: timer, 100rel, replaces'
P-Asserted-Identity: <sip:41715607681 at 192.168.11.2>'
Content-Type: application/sdp'
Content-Length: 300'
Contact: <sip:ngcp-lb at 10.0.0.248:5060;ngcpct=c2lwOjE5Mi4xNjguMTEuMzo1MDgw>'
'
v=0'
o=MxSIP 0 0 IN IP4 10.0.0.248'
s=SIP Call'
c=IN IP4 10.0.0.248'
t=0 0'
m=audio 30004 RTP/AVP 0 8 101'
a=rtpmap:0 PCMU/8000'
a=rtpmap:8 PCMA/8000'
a=rtpmap:101 telephone-event/8000'
a=fmtp:101 0-15,144,149,159'
a=ptime:20'
a=sendrecv'
a=silenceSupp:off - - - -'
a=direction:active'
a=rtcp:30005'

#
U 2014/10/23 15:43:23.388442 172.27.1.4:5060 -> 192.168.11.2:5060
SIP/2.0 100 Trying'
Call-ID: 1771a83914b76143_b2b-1'
CSeq: 10 INVITE'
From: <sip:41715607681 at 192.168.11.2>;tag=15A841F3-544905FB0005282F-76F24700'
To: <sip:0715607682 at 192.168.11.2>;tag=8ebd1eeddc9e768'
Via: SIP/2.0/UDP 192.168.11.2;branch=z9hG4bK08cf.8fb9f5269609100646f7592fdbb1c6df.0'
Via: SIP/2.0/UDP 192.168.11.3:5080;branch=z9hG4bK7FNDsaqX;rport=5080'
Content-Length: 0'
User-Agent: Brcm-Callctrl/v1.8.2 M5T SIP-UA SAFE/v3.6.4.8'
Server:  M5T SIP-UA SAFE/v3.6.4.8'
'

#
U 2014/10/23 15:43:23.398671 172.27.1.4:5060 -> 192.168.11.2:5060
SIP/2.0 180 Ringing'
Call-ID: 1771a83914b76143_b2b-1'
CSeq: 10 INVITE'
From: <sip:41715607681 at 192.168.11.2>;tag=15A841F3-544905FB0005282F-76F24700'
To: <sip:0715607682 at 192.168.11.2>;tag=8ebd1eeddc9e768'
Via: SIP/2.0/UDP 192.168.11.2;branch=z9hG4bK08cf.8fb9f5269609100646f7592fdbb1c6df.0'
Via: SIP/2.0/UDP 192.168.11.3:5080;branch=z9hG4bK7FNDsaqX;rport=5080'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=15A841F3-544905FB0005282F-76F24700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=15A841F3-544905FB0005282F-76F24700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Content-Length: 0'
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, UPDATE, PRACK'
RSeq: 1659725361'
Require: 100rel'
Contact: <sip:0715607682 at 172.27.1.4:5060;transport=udp>'
User-Agent: Brcm-Callctrl/v1.8.2 M5T SIP-UA SAFE/v3.6.4.8'
Server:  M5T SIP-UA SAFE/v3.6.4.8'
'

#
U 2014/10/23 15:43:23.401174 192.168.11.2:5060 -> 172.27.1.11:5060
SIP/2.0 180 Ringing'
Record-Route: <sip:192.168.11.3:5062;lr=on;ftag=b8074be154;did=ca1.38a2;mpd=ii;ice_caller=strip;ice_callee=strip;rtpprx=yes;vsf=clVUYkE/SlZwaHB4S1EbHG1dZnl1W0J9RSZQYA-->'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=b8074be154;nat=yes;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=b8074be154;nat=yes;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Via: SIP/2.0/UDP 172.27.1.11;rport=5060;branch=z9hG4bK386c6f8ec4c97e067'
From: <sip:0715607681 at 192.168.11.2>;tag=b8074be154'
To: <sip:0715607682 at 192.168.11.2:5060>;tag=41820B01-544905FB00052714-76217700'
Call-ID: 1771a83914b76143'
CSeq: 696973958 INVITE'
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, UPDATE, PRACK'
Require: 100rel'
User-Agent: Brcm-Callctrl/v1.8.2 M5T SIP-UA SAFE/v3.6.4.8'
RSeq: 1659725361'
Content-Length: 0'
Contact: <sip:ngcp-lb at 10.0.0.248:5060;ngcpct=c2lwOjE5Mi4xNjguMTEuMzo1MDgw>'
'

#
U 2014/10/23 15:43:23.421886 172.27.1.11:5060 -> 192.168.11.2:5060
PRACK sip:ngcp-lb at 10.0.0.248:5060;ngcpct=c2lwOjE5Mi4xNjguMTEuMzo1MDgw SIP/2.0'
Via: SIP/2.0/UDP 172.27.1.11;branch=z9hG4bKc41c504386afe3c6d'
Route: <sip:192.168.11.2;r2=on;lr=on;ftag=b8074be154;nat=yes;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Route: <sip:192.168.11.3;r2=on;lr=on;ftag=b8074be154;nat=yes;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Route: <sip:192.168.11.3:5062;lr=on;ftag=b8074be154;did=ca1.38a2;mpd=ii;ice_caller=strip;ice_callee=strip;rtpprx=yes;vsf=clVUYkE/SlZwaHB4S1EbHG1dZnl1W0J9RSZQYA-->'
Proxy-Authorization: Digest username="0715607681",realm="192.168.11.2",nonce="VEkHJlRJBfrA35Vi/Czrv6AvKHi0J0Ag",uri="sip:ngcp-lb at 10.0.0.248:5060;ngcpct=c2lwOjE5Mi4xNjguMTEuMzo1MDgw",response="93ddfb2d9ea643f2fe47e2bc9c11013a"'
Max-Forwards: 70'
From: <sip:0715607681 at 192.168.11.2>;tag=b8074be154'
To: <sip:0715607682 at 192.168.11.2:5060>;tag=41820B01-544905FB00052714-76217700'
Call-ID: 1771a83914b76143'
CSeq: 696973959 PRACK'
Allow:  INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, PRACK, INFO'
RAck: 1659725361 696973958 INVITE'
Supported: timer'
User-Agent: Brcm-Callctrl/v1.10.3 M5T SIP Stack/4.1.2.2'
Content-Length: 0'
'

#
U 2014/10/23 15:43:23.427522 192.168.11.2:5060 -> 172.27.1.11:5060
SIP/2.0 100 Trying'
Via: SIP/2.0/UDP 172.27.1.11;rport=5060;branch=z9hG4bKc41c504386afe3c6d'
From: <sip:0715607681 at 192.168.11.2>;tag=b8074be154'
To: <sip:0715607682 at 192.168.11.2:5060>;tag=41820B01-544905FB00052714-76217700'
Call-ID: 1771a83914b76143'
CSeq: 696973959 PRACK'
Server: Sipwise NGCP Proxy 2.X'
Content-Length: 0'
'

#
U 2014/10/23 15:43:23.432685 192.168.11.2:5060 -> 172.27.1.4:5060
PRACK sip:0715607682 at 172.27.1.4:5060;transport=udp SIP/2.0'
Max-Forwards: 10'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=15A841F3-544905FB0005282F-76F24700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=15A841F3-544905FB0005282F-76F24700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Via: SIP/2.0/UDP 192.168.11.2;branch=z9hG4bK18cf.6950ddee6bfc90ade9ab7708f07571f6.0'
Via: SIP/2.0/UDP 192.168.11.3:5080;branch=z9hG4bKAS1MAaHO;rport=5080'
From: <sip:41715607681 at 192.168.11.2>;tag=15A841F3-544905FB0005282F-76F24700'
To: <sip:0715607682 at 192.168.11.2>;tag=8ebd1eeddc9e768'
CSeq: 11 PRACK'
Call-ID: 1771a83914b76143_b2b-1'
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, PRACK, INFO'
Supported: timer'
User-Agent: Brcm-Callctrl/v1.10.3 M5T SIP Stack/4.1.2.2'
RAck: 1659725361 10 INVITE'
Content-Length: 0'
Contact: <sip:ngcp-lb at 10.0.0.248:5060;ngcpct=c2lwOjE5Mi4xNjguMTEuMzo1MDgw>'
'

#
U 2014/10/23 15:43:23.468623 172.27.1.4:5060 -> 192.168.11.2:5060
SIP/2.0 200 OK'
Call-ID: 1771a83914b76143_b2b-1'
CSeq: 11 PRACK'
From: <sip:41715607681 at 192.168.11.2>;tag=15A841F3-544905FB0005282F-76F24700'
To: <sip:0715607682 at 192.168.11.2>;tag=8ebd1eeddc9e768'
Via: SIP/2.0/UDP 192.168.11.2;branch=z9hG4bK18cf.6950ddee6bfc90ade9ab7708f07571f6.0'
Via: SIP/2.0/UDP 192.168.11.3:5080;branch=z9hG4bKAS1MAaHO;rport=5080'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=15A841F3-544905FB0005282F-76F24700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=15A841F3-544905FB0005282F-76F24700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Content-Length: 0'
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, UPDATE, PRACK'
Supported: replaces'
User-Agent: Brcm-Callctrl/v1.8.2 M5T SIP-UA SAFE/v3.6.4.8'
Server:  M5T SIP-UA SAFE/v3.6.4.8'
'

#
U 2014/10/23 15:43:23.470295 192.168.11.2:5060 -> 172.27.1.11:5060
SIP/2.0 200 OK'
Record-Route: <sip:192.168.11.3:5062;lr=on;ftag=b8074be154;rtpprx=yes>'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=b8074be154;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=b8074be154;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Via: SIP/2.0/UDP 172.27.1.11;rport=5060;branch=z9hG4bKc41c504386afe3c6d'
From: <sip:0715607681 at 192.168.11.2>;tag=b8074be154'
To: <sip:0715607682 at 192.168.11.2:5060>;tag=41820B01-544905FB00052714-76217700'
Call-ID: 1771a83914b76143'
CSeq: 696973959 PRACK'
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, UPDATE, PRACK'
Supported: replaces'
User-Agent: Brcm-Callctrl/v1.8.2 M5T SIP-UA SAFE/v3.6.4.8'
Content-Length: 0'
Contact: <sip:ngcp-lb at 10.0.0.248:5060;ngcpct=c2lwOjE5Mi4xNjguMTEuMzo1MDgw>'
'

###
U 2014/10/23 15:43:29.403919 172.27.1.4:5060 -> 192.168.11.2:5060
SIP/2.0 200 OK'
Call-ID: 1771a83914b76143_b2b-1'
CSeq: 10 INVITE'
From: <sip:41715607681 at 192.168.11.2>;tag=15A841F3-544905FB0005282F-76F24700'
To: <sip:0715607682 at 192.168.11.2>;tag=8ebd1eeddc9e768'
Via: SIP/2.0/UDP 192.168.11.2;branch=z9hG4bK08cf.8fb9f5269609100646f7592fdbb1c6df.0'
Via: SIP/2.0/UDP 192.168.11.3:5080;branch=z9hG4bK7FNDsaqX;rport=5080'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=15A841F3-544905FB0005282F-76F24700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=15A841F3-544905FB0005282F-76F24700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Content-Length: 266'
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, UPDATE, PRACK'
Content-Type: application/sdp'
Supported: replaces'
Contact: <sip:0715607682 at 172.27.1.4:5060;transport=udp>'
User-Agent: Brcm-Callctrl/v1.8.2 M5T SIP-UA SAFE/v3.6.4.8'
Server:  M5T SIP-UA SAFE/v3.6.4.8'
'
v=0'
o=MxSIP 0 0 IN IP4 172.27.1.4'
s=SIP Call'
c=IN IP4 172.27.1.4'
t=0 0'
m=audio 53456 RTP/AVP 0 8 101'
a=rtpmap:0 PCMU/8000'
a=rtpmap:8 PCMA/8000'
a=rtpmap:101 telephone-event/8000'
a=silenceSupp:off - - - -'
a=fmtp:101 0-15,144,149,159'
a=ptime:20'
a=sendrecv'

#
U 2014/10/23 15:43:29.407470 192.168.11.2:5060 -> 172.27.1.11:5060
SIP/2.0 200 OK'
Record-Route: <sip:192.168.11.3:5062;lr=on;ftag=b8074be154;did=ca1.38a2;mpd=ii;ice_caller=strip;ice_callee=strip;rtpprx=yes;vsf=clVUYkE/SlZwaHB4S1EbHG1dZnl1W0J9RSZQYA-->'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=b8074be154;nat=yes;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=b8074be154;nat=yes;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Via: SIP/2.0/UDP 172.27.1.11;rport=5060;branch=z9hG4bK386c6f8ec4c97e067'
From: <sip:0715607681 at 192.168.11.2>;tag=b8074be154'
To: <sip:0715607682 at 192.168.11.2:5060>;tag=41820B01-544905FB00052714-76217700'
Call-ID: 1771a83914b76143'
CSeq: 696973958 INVITE'
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, UPDATE, PRACK'
Supported: replaces'
User-Agent: Brcm-Callctrl/v1.8.2 M5T SIP-UA SAFE/v3.6.4.8'
Content-Type: application/sdp'
Content-Length: 300'
Contact: <sip:ngcp-lb at 10.0.0.248:5060;ngcpct=c2lwOjE5Mi4xNjguMTEuMzo1MDgw>'
'
v=0'
o=MxSIP 0 0 IN IP4 10.0.0.248'
s=SIP Call'
c=IN IP4 10.0.0.248'
t=0 0'
m=audio 30006 RTP/AVP 0 8 101'
a=rtpmap:0 PCMU/8000'
a=rtpmap:8 PCMA/8000'
a=rtpmap:101 telephone-event/8000'
a=silenceSupp:off - - - -'
a=fmtp:101 0-15,144,149,159'
a=ptime:20'
a=sendrecv'
a=direction:active'
a=rtcp:30007'

#
U 2014/10/23 15:43:29.431929 172.27.1.11:5060 -> 192.168.11.2:5060
ACK sip:ngcp-lb at 10.0.0.248:5060;ngcpct=c2lwOjE5Mi4xNjguMTEuMzo1MDgw SIP/2.0'
Via: SIP/2.0/UDP 172.27.1.11;branch=z9hG4bK81f131c7008eed3c2'
Route: <sip:192.168.11.2;r2=on;lr=on;ftag=b8074be154;nat=yes;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Route: <sip:192.168.11.3;r2=on;lr=on;ftag=b8074be154;nat=yes;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Route: <sip:192.168.11.3:5062;lr=on;ftag=b8074be154;did=ca1.38a2;mpd=ii;ice_caller=strip;ice_callee=strip;rtpprx=yes;vsf=clVUYkE/SlZwaHB4S1EbHG1dZnl1W0J9RSZQYA-->'
Proxy-Authorization: Digest username="0715607681",realm="192.168.11.2",nonce="VEkHJlRJBfrA35Vi/Czrv6AvKHi0J0Ag",uri="sip:0715607682 at 192.168.11.2:5060",response="2b2b45cfe9f5aab7a1d74be495557d21"'
Max-Forwards: 70'
From: <sip:0715607681 at 192.168.11.2>;tag=b8074be154'
To: <sip:0715607682 at 192.168.11.2:5060>;tag=41820B01-544905FB00052714-76217700'
Call-ID: 1771a83914b76143'
CSeq: 696973958 ACK'
User-Agent: Brcm-Callctrl/v1.10.3 M5T SIP Stack/4.1.2.2'
Content-Length: 0'
'

#
U 2014/10/23 15:43:29.436180 192.168.11.2:5060 -> 172.27.1.4:5060
ACK sip:0715607682 at 172.27.1.4:5060;transport=udp SIP/2.0'
Max-Forwards: 10'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=15A841F3-544905FB0005282F-76F24700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=15A841F3-544905FB0005282F-76F24700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Via: SIP/2.0/UDP 192.168.11.2;branch=z9hG4bK08cf.95b57e6925060736d380fd102d3b4ac9.0'
Via: SIP/2.0/UDP 192.168.11.3:5080;branch=z9hG4bK2AO65aFw;rport=5080'
From: <sip:41715607681 at 192.168.11.2>;tag=15A841F3-544905FB0005282F-76F24700'
To: <sip:0715607682 at 192.168.11.2>;tag=8ebd1eeddc9e768'
CSeq: 10 ACK'
Call-ID: 1771a83914b76143_b2b-1'
User-Agent: Brcm-Callctrl/v1.10.3 M5T SIP Stack/4.1.2.2'
Content-Length: 0'
Contact: <sip:ngcp-lb at 10.0.0.248:5060;ngcpct=c2lwOjE5Mi4xNjguMTEuMzo1MDgw>'
'

###
U 2014/10/23 15:43:48.253611 172.27.1.4:5060 -> 192.168.11.2:5060
BYE sip:ngcp-lb at 10.0.0.248:5060;ngcpct=c2lwOjE5Mi4xNjguMTEuMzo1MDgw SIP/2.0'
Max-Forwards: 70'
Content-Length: 0'
Via: SIP/2.0/UDP 172.27.1.4:5060;branch=z9hG4bK3af7d2f33'
Call-ID: 1771a83914b76143_b2b-1'
From: <sip:0715607682 at 192.168.11.2>;tag=8ebd1eeddc9e768'
To: <sip:41715607681 at 192.168.11.2>;tag=15A841F3-544905FB0005282F-76F24700'
Route: <sip:192.168.11.2;r2=on;lr=on;ftag=15A841F3-544905FB0005282F-76F24700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Route: <sip:192.168.11.3;r2=on;lr=on;ftag=15A841F3-544905FB0005282F-76F24700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
CSeq: 1811094007 BYE'
Supported: timer'
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, UPDATE, PRACK'
Supported: replaces'
User-Agent: Brcm-Callctrl/v1.8.2 M5T SIP-UA SAFE/v3.6.4.8'
'

#
U 2014/10/23 15:43:48.257058 192.168.11.2:5060 -> 172.27.1.4:5060
SIP/2.0 200 OK'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=8ebd1eeddc9e768;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=8ebd1eeddc9e768;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Via: SIP/2.0/UDP 172.27.1.4:5060;rport=5060;branch=z9hG4bK3af7d2f33'
Call-ID: 1771a83914b76143_b2b-1'
From: <sip:0715607682 at 192.168.11.2>;tag=8ebd1eeddc9e768'
To: <sip:41715607681 at 192.168.11.2>;tag=15A841F3-544905FB0005282F-76F24700'
CSeq: 1811094007 BYE'
Server: Sipwise NGCP Application Server'
Content-Length: 0'
'

#
U 2014/10/23 15:43:48.261382 192.168.11.2:5060 -> 172.27.1.11:5060
BYE sip:0715607681 at 172.27.1.11:5060;transport=udp SIP/2.0'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=41820B01-544905FB00052714-76217700;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=41820B01-544905FB00052714-76217700;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Max-Forwards:  9'
Record-Route: <sip:192.168.11.3:5062;lr=on;ftag=41820B01-544905FB00052714-76217700;rtpprx=yes>'
Via: SIP/2.0/UDP 192.168.11.2;branch=z9hG4bK9c82.bfd0aef4ad01642700ef77760095064e.0'
Via: SIP/2.0/UDP 192.168.11.3:5062;rport=5062;branch=z9hG4bK9c82.b7e72ec373d9972d906681eda12e2be9.0'
Via: SIP/2.0/UDP 192.168.11.3:5080;branch=z9hG4bKyjYLWaAf;rport=5080'
From: <sip:0715607682 at 192.168.11.2:5060>;tag=41820B01-544905FB00052714-76217700'
To: <sip:0715607681 at 192.168.11.2>;tag=b8074be154'
CSeq: 10 BYE'
Call-ID: 1771a83914b76143'
Content-Length: 0'
'

#
U 2014/10/23 15:43:48.278638 172.27.1.11:5060 -> 192.168.11.2:5060
SIP/2.0 200 OK'
Via: SIP/2.0/UDP 192.168.11.2;branch=z9hG4bK9c82.bfd0aef4ad01642700ef77760095064e.0'
Via: SIP/2.0/UDP 192.168.11.3:5062;rport=5062;branch=z9hG4bK9c82.b7e72ec373d9972d906681eda12e2be9.0'
Via: SIP/2.0/UDP 192.168.11.3:5080;branch=z9hG4bKyjYLWaAf;rport=5080'
From: <sip:0715607682 at 192.168.11.2:5060>;tag=41820B01-544905FB00052714-76217700'
To: <sip:0715607681 at 192.168.11.2>;tag=b8074be154'
Call-ID: 1771a83914b76143'
CSeq: 10 BYE'
Allow:  INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, PRACK, INFO'
Server:  M5T SIP Stack/4.1.2.2'
Content-Length: 0'
'

#####
U 2014/10/23 15:44:19.373672 172.27.1.4:5060 -> 192.168.11.2:5060
INVITE sip:0715607681 at 192.168.11.2:5060 SIP/2.0'
Max-Forwards: 70'
Content-Length: 266'
Via: SIP/2.0/UDP 172.27.1.4:5060;branch=z9hG4bK68a63405f'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4'
From: sip:0715607682 at 192.168.11.2:5060;tag=b4c541df50a94af'
To: sip:0715607681 at 192.168.11.2:5060'
CSeq: 97039977 INVITE'
Supported: 100rel'
Supported: timer'
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, UPDATE, PRACK'
Content-Type: application/sdp'
Contact: <sip:0715607682 at 172.27.1.4:5060;transport=udp>'
Supported: replaces'
User-Agent: Brcm-Callctrl/v1.8.2 M5T SIP-UA SAFE/v3.6.4.8'
'
v=0'
o=MxSIP 0 0 IN IP4 172.27.1.4'
s=SIP Call'
c=IN IP4 172.27.1.4'
t=0 0'
m=audio 53458 RTP/AVP 0 8 101'
a=rtpmap:0 PCMU/8000'
a=rtpmap:8 PCMA/8000'
a=rtpmap:101 telephone-event/8000'
a=silenceSupp:off - - - -'
a=fmtp:101 0-15,144,149,159'
a=ptime:20'
a=sendrecv'

#
U 2014/10/23 15:44:19.374992 192.168.11.2:5060 -> 172.27.1.4:5060
SIP/2.0 100 Trying'
Via: SIP/2.0/UDP 172.27.1.4:5060;rport=5060;branch=z9hG4bK68a63405f'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4'
From: sip:0715607682 at 192.168.11.2:5060;tag=b4c541df50a94af'
To: sip:0715607681 at 192.168.11.2:5060'
CSeq: 97039977 INVITE'
Server: Sipwise NGCP Proxy 2.X'
Content-Length: 0'
'

#
U 2014/10/23 15:44:19.378860 192.168.11.2:5060 -> 172.27.1.4:5060
SIP/2.0 407 Proxy Authentication Required'
Via: SIP/2.0/UDP 172.27.1.4:5060;rport=5060;branch=z9hG4bK68a63405f'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4'
From: sip:0715607682 at 192.168.11.2:5060;tag=b4c541df50a94af'
To: sip:0715607681 at 192.168.11.2:5060;tag=fafb31f21585bab48491557135326520.6aee'
CSeq: 97039977 INVITE'
Proxy-Authenticate: Digest realm="192.168.11.2", nonce="VEkHXlRJBjKevWOll8gBRI0Lbsnsweko"'
Server: Sipwise NGCP Proxy 2.X'
Content-Length: 0'
'

#
U 2014/10/23 15:44:19.413310 172.27.1.4:5060 -> 192.168.11.2:5060
ACK sip:0715607681 at 192.168.11.2:5060 SIP/2.0'
Max-Forwards: 70'
Content-Length: 0'
Via: SIP/2.0/UDP 172.27.1.4:5060;branch=z9hG4bK68a63405f'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4'
From: sip:0715607682 at 192.168.11.2:5060;tag=b4c541df50a94af'
To: sip:0715607681 at 192.168.11.2:5060;tag=fafb31f21585bab48491557135326520.6aee'
CSeq: 97039977 ACK'
User-Agent: Brcm-Callctrl/v1.8.2 M5T SIP-UA SAFE/v3.6.4.8'
'

#
U 2014/10/23 15:44:19.423636 172.27.1.4:5060 -> 192.168.11.2:5060
INVITE sip:0715607681 at 192.168.11.2:5060 SIP/2.0'
Max-Forwards: 70'
Content-Length: 266'
Via: SIP/2.0/UDP 172.27.1.4:5060;branch=z9hG4bK06e64201b'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4'
From: sip:0715607682 at 192.168.11.2:5060;tag=b4c541df50a94af'
To: sip:0715607681 at 192.168.11.2:5060'
CSeq: 97039978 INVITE'
Supported: 100rel'
Supported: timer'
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, UPDATE, PRACK'
Content-Type: application/sdp'
Supported: replaces'
Proxy-Authorization:Digest response="6eed51cb87f75c0b7b442059e94c5857",username="0715607682",realm="192.168.11.2",nonce="VEkHXlRJBjKevWOll8gBRI0Lbsnsweko",uri="sip:0715607681 at 192.168.11.2:5060"'
Contact: <sip:0715607682 at 172.27.1.4:5060;transport=udp>'
User-Agent: Brcm-Callctrl/v1.8.2 M5T SIP-UA SAFE/v3.6.4.8'
'
v=0'
o=MxSIP 0 0 IN IP4 172.27.1.4'
s=SIP Call'
c=IN IP4 172.27.1.4'
t=0 0'
m=audio 53458 RTP/AVP 0 8 101'
a=rtpmap:0 PCMU/8000'
a=rtpmap:8 PCMA/8000'
a=rtpmap:101 telephone-event/8000'
a=silenceSupp:off - - - -'
a=fmtp:101 0-15,144,149,159'
a=ptime:20'
a=sendrecv'

#
U 2014/10/23 15:44:19.425057 192.168.11.2:5060 -> 172.27.1.4:5060
SIP/2.0 100 Trying'
Via: SIP/2.0/UDP 172.27.1.4:5060;rport=5060;branch=z9hG4bK06e64201b'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4'
From: sip:0715607682 at 192.168.11.2:5060;tag=b4c541df50a94af'
To: sip:0715607681 at 192.168.11.2:5060'
CSeq: 97039978 INVITE'
Server: Sipwise NGCP Proxy 2.X'
Content-Length: 0'
'

#
U 2014/10/23 15:44:19.454533 192.168.11.2:5060 -> 172.27.1.11:5060
INVITE sip:0715607681 at 172.27.1.11:5060;transport=udp SIP/2.0'
Max-Forwards: 10'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=14023395-544906330006EAB9-76D22700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=14023395-544906330006EAB9-76D22700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Via: SIP/2.0/UDP 192.168.11.2;branch=z9hG4bKf0e2.3e2b9eee842cab6ebfb91fb2160aba7b.0'
Via: SIP/2.0/UDP 192.168.11.3:5080;branch=z9hG4bK5yeH8ak7;rport=5080'
From: <sip:41715607682 at 192.168.11.2>;tag=14023395-544906330006EAB9-76D22700'
To: <sip:0715607681 at 192.168.11.2>'
CSeq: 10 INVITE'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4_b2b-1'
Supported: 100rel'
Supported: timer'
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, UPDATE, PRACK'
Supported: replaces'
P-Asserted-Identity: <sip:41715607682 at 192.168.11.2>'
Content-Type: application/sdp'
Content-Length: 300'
Contact: <sip:ngcp-lb at 10.0.0.248:5060;ngcpct=c2lwOjE5Mi4xNjguMTEuMzo1MDgw>'
'
v=0'
o=MxSIP 0 0 IN IP4 10.0.0.248'
s=SIP Call'
c=IN IP4 10.0.0.248'
t=0 0'
m=audio 30008 RTP/AVP 0 8 101'
a=rtpmap:0 PCMU/8000'
a=rtpmap:8 PCMA/8000'
a=rtpmap:101 telephone-event/8000'
a=silenceSupp:off - - - -'
a=fmtp:101 0-15,144,149,159'
a=ptime:20'
a=sendrecv'
a=direction:active'
a=rtcp:30009'

#
U 2014/10/23 15:44:19.479027 172.27.1.11:5060 -> 192.168.11.2:5060
SIP/2.0 180 Ringing'
Via: SIP/2.0/UDP 192.168.11.2;branch=z9hG4bKf0e2.3e2b9eee842cab6ebfb91fb2160aba7b.0'
Via: SIP/2.0/UDP 192.168.11.3:5080;branch=z9hG4bK5yeH8ak7;rport=5080'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=14023395-544906330006EAB9-76D22700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=14023395-544906330006EAB9-76D22700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
From: <sip:41715607682 at 192.168.11.2>;tag=14023395-544906330006EAB9-76D22700'
To: <sip:0715607681 at 192.168.11.2>;tag=3909742819'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4_b2b-1'
CSeq: 10 INVITE'
Allow:  INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, PRACK, INFO'
Contact: <sip:0715607681 at 172.27.1.11:5060;transport=udp>'
Require: 100rel'
RSeq: 1'
Server:  M5T SIP Stack/4.1.2.2'
Content-Length: 0'
'

#
U 2014/10/23 15:44:19.480850 192.168.11.2:5060 -> 172.27.1.4:5060
SIP/2.0 180 Ringing'
Record-Route: <sip:192.168.11.3:5062;lr=on;ftag=b4c541df50a94af;did=9bc.2272;mpd=ii;ice_caller=strip;ice_callee=strip;rtpprx=yes;vsf=clVUYkE/SlZwaHB4S1IYHG1dZnl1W0J9RSZQWkZeQUk->'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=b4c541df50a94af;nat=yes;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=b4c541df50a94af;nat=yes;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Via: SIP/2.0/UDP 172.27.1.4:5060;rport=5060;branch=z9hG4bK06e64201b'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4'
From: sip:0715607682 at 192.168.11.2:5060;tag=b4c541df50a94af'
To: sip:0715607681 at 192.168.11.2:5060;tag=4AAE7661-544906330006E8E6-76419700'
CSeq: 97039978 INVITE'
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, PRACK, INFO'
Require: 100rel'
RSeq: 1'
Content-Length: 0'
Contact: <sip:ngcp-lb at 10.0.0.248:5060;ngcpct=c2lwOjE5Mi4xNjguMTEuMzo1MDgw>'
'

#
U 2014/10/23 15:44:19.528733 172.27.1.4:5060 -> 192.168.11.2:5060
PRACK sip:ngcp-lb at 10.0.0.248:5060;ngcpct=c2lwOjE5Mi4xNjguMTEuMzo1MDgw SIP/2.0'
Max-Forwards: 70'
Content-Length: 0'
Via: SIP/2.0/UDP 172.27.1.4:5060;branch=z9hG4bKa80d48c54'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4'
From: sip:0715607682 at 192.168.11.2:5060;tag=b4c541df50a94af'
To: sip:0715607681 at 192.168.11.2:5060;tag=4AAE7661-544906330006E8E6-76419700'
Route: <sip:192.168.11.2;r2=on;lr=on;ftag=b4c541df50a94af;nat=yes;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Route: <sip:192.168.11.3;r2=on;lr=on;ftag=b4c541df50a94af;nat=yes;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Route: <sip:192.168.11.3:5062;lr=on;ftag=b4c541df50a94af;did=9bc.2272;mpd=ii;ice_caller=strip;ice_callee=strip;rtpprx=yes;vsf=clVUYkE/SlZwaHB4S1IYHG1dZnl1W0J9RSZQWkZeQUk->'
CSeq: 97039979 PRACK'
Supported: timer'
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, UPDATE, PRACK'
RAck: 1 97039978 INVITE'
Supported: replaces'
Proxy-Authorization:Digest response="8d851c7e436962c130897b7c8bdc55b2",username="0715607682",realm="192.168.11.2",nonce="VEkHXlRJBjKevWOll8gBRI0Lbsnsweko",uri="sip:ngcp-lb at 10.0.0.248:5060;ngcpct=c2lwOjE5Mi4xNjguMTEuMzo1MDgw"'
User-Agent: Brcm-Callctrl/v1.8.2 M5T SIP-UA SAFE/v3.6.4.8'
'

#
U 2014/10/23 15:44:19.529861 192.168.11.2:5060 -> 172.27.1.4:5060
SIP/2.0 100 Trying'
Via: SIP/2.0/UDP 172.27.1.4:5060;rport=5060;branch=z9hG4bKa80d48c54'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4'
From: sip:0715607682 at 192.168.11.2:5060;tag=b4c541df50a94af'
To: sip:0715607681 at 192.168.11.2:5060;tag=4AAE7661-544906330006E8E6-76419700'
CSeq: 97039979 PRACK'
Server: Sipwise NGCP Proxy 2.X'
Content-Length: 0'
'

#
U 2014/10/23 15:44:19.533013 192.168.11.2:5060 -> 172.27.1.11:5060
PRACK sip:0715607681 at 172.27.1.11:5060;transport=udp SIP/2.0'
Max-Forwards: 10'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=14023395-544906330006EAB9-76D22700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=14023395-544906330006EAB9-76D22700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Via: SIP/2.0/UDP 192.168.11.2;branch=z9hG4bK01e2.67441309002784d40c928696a0516964.0'
Via: SIP/2.0/UDP 192.168.11.3:5080;branch=z9hG4bKxDuvKaj0;rport=5080'
From: <sip:41715607682 at 192.168.11.2>;tag=14023395-544906330006EAB9-76D22700'
To: <sip:0715607681 at 192.168.11.2>;tag=3909742819'
CSeq: 11 PRACK'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4_b2b-1'
Supported: timer'
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, UPDATE, PRACK'
Supported: replaces'
User-Agent: Brcm-Callctrl/v1.8.2 M5T SIP-UA SAFE/v3.6.4.8'
RAck: 1 10 INVITE'
Content-Length: 0'
Contact: <sip:ngcp-lb at 10.0.0.248:5060;ngcpct=c2lwOjE5Mi4xNjguMTEuMzo1MDgw>'
'

#
U 2014/10/23 15:44:19.549072 172.27.1.11:5060 -> 192.168.11.2:5060
SIP/2.0 200 OK'
Via: SIP/2.0/UDP 192.168.11.2;branch=z9hG4bK01e2.67441309002784d40c928696a0516964.0'
Via: SIP/2.0/UDP 192.168.11.3:5080;branch=z9hG4bKxDuvKaj0;rport=5080'
From: <sip:41715607682 at 192.168.11.2>;tag=14023395-544906330006EAB9-76D22700'
To: <sip:0715607681 at 192.168.11.2>;tag=3909742819'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4_b2b-1'
CSeq: 11 PRACK'
Allow:  INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, PRACK, INFO'
Server:  M5T SIP Stack/4.1.2.2'
Content-Length: 0'
'

#
U 2014/10/23 15:44:19.550915 192.168.11.2:5060 -> 172.27.1.4:5060
SIP/2.0 200 OK'
Record-Route: <sip:192.168.11.3:5062;lr=on;ftag=b4c541df50a94af;rtpprx=yes>'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=b4c541df50a94af;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=b4c541df50a94af;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Via: SIP/2.0/UDP 172.27.1.4:5060;rport=5060;branch=z9hG4bKa80d48c54'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4'
From: sip:0715607682 at 192.168.11.2:5060;tag=b4c541df50a94af'
To: sip:0715607681 at 192.168.11.2:5060;tag=4AAE7661-544906330006E8E6-76419700'
CSeq: 97039979 PRACK'
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, PRACK, INFO'
Content-Length: 0'
Contact: <sip:ngcp-lb at 10.0.0.248:5060;ngcpct=c2lwOjE5Mi4xNjguMTEuMzo1MDgw>'
'

###
U 2014/10/23 15:44:31.534163 172.27.1.11:5060 -> 192.168.11.2:5060
SIP/2.0 200 OK'
Via: SIP/2.0/UDP 192.168.11.2;branch=z9hG4bKf0e2.3e2b9eee842cab6ebfb91fb2160aba7b.0'
Via: SIP/2.0/UDP 192.168.11.3:5080;branch=z9hG4bK5yeH8ak7;rport=5080'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=14023395-544906330006EAB9-76D22700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=14023395-544906330006EAB9-76D22700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
From: <sip:41715607682 at 192.168.11.2>;tag=14023395-544906330006EAB9-76D22700'
To: <sip:0715607681 at 192.168.11.2>;tag=3909742819'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4_b2b-1'
CSeq: 10 INVITE'
Allow:  INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, PRACK, INFO'
Contact: <sip:0715607681 at 172.27.1.11:5060;transport=udp>'
Server:  M5T SIP Stack/4.1.2.2'
Supported: timer, replaces'
Content-Type: application/sdp'
Content-Length: 268'
'
v=0'
o=MxSIP 0 0 IN IP4 172.27.1.11'
s=SIP Call'
c=IN IP4 172.27.1.11'
t=0 0'
m=audio 53458 RTP/AVP 0 8 101'
a=rtpmap:0 PCMU/8000'
a=rtpmap:8 PCMA/8000'
a=rtpmap:101 telephone-event/8000'
a=fmtp:101 0-15,144,149,159'
a=ptime:20'
a=sendrecv'
a=silenceSupp:off - - - -'

#
U 2014/10/23 15:44:31.537858 192.168.11.2:5060 -> 172.27.1.4:5060
SIP/2.0 200 OK'
Record-Route: <sip:192.168.11.3:5062;lr=on;ftag=b4c541df50a94af;did=9bc.2272;mpd=ii;ice_caller=strip;ice_callee=strip;rtpprx=yes;vsf=clVUYkE/SlZwaHB4S1IYHG1dZnl1W0J9RSZQWkZeQUk->'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=b4c541df50a94af;nat=yes;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=b4c541df50a94af;nat=yes;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Via: SIP/2.0/UDP 172.27.1.4:5060;rport=5060;branch=z9hG4bK06e64201b'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4'
From: sip:0715607682 at 192.168.11.2:5060;tag=b4c541df50a94af'
To: sip:0715607681 at 192.168.11.2:5060;tag=4AAE7661-544906330006E8E6-76419700'
CSeq: 97039978 INVITE'
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, PRACK, INFO'
Supported: timer, replaces'
Content-Type: application/sdp'
Content-Length: 300'
Contact: <sip:ngcp-lb at 10.0.0.248:5060;ngcpct=c2lwOjE5Mi4xNjguMTEuMzo1MDgw>'
'
v=0'
o=MxSIP 0 0 IN IP4 10.0.0.248'
s=SIP Call'
c=IN IP4 10.0.0.248'
t=0 0'
m=audio 30010 RTP/AVP 0 8 101'
a=rtpmap:0 PCMU/8000'
a=rtpmap:8 PCMA/8000'
a=rtpmap:101 telephone-event/8000'
a=fmtp:101 0-15,144,149,159'
a=ptime:20'
a=sendrecv'
a=silenceSupp:off - - - -'
a=direction:active'
a=rtcp:30011'

#
U 2014/10/23 15:44:31.583632 172.27.1.4:5060 -> 192.168.11.2:5060
ACK sip:ngcp-lb at 10.0.0.248:5060;ngcpct=c2lwOjE5Mi4xNjguMTEuMzo1MDgw SIP/2.0'
Max-Forwards: 70'
Content-Length: 0'
Via: SIP/2.0/UDP 172.27.1.4:5060;branch=z9hG4bK8abc68c0e'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4'
From: sip:0715607682 at 192.168.11.2:5060;tag=b4c541df50a94af'
To: sip:0715607681 at 192.168.11.2:5060;tag=4AAE7661-544906330006E8E6-76419700'
Route: <sip:192.168.11.2;r2=on;lr=on;ftag=b4c541df50a94af;nat=yes;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Route: <sip:192.168.11.3;r2=on;lr=on;ftag=b4c541df50a94af;nat=yes;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Route: <sip:192.168.11.3:5062;lr=on;ftag=b4c541df50a94af;did=9bc.2272;mpd=ii;ice_caller=strip;ice_callee=strip;rtpprx=yes;vsf=clVUYkE/SlZwaHB4S1IYHG1dZnl1W0J9RSZQWkZeQUk->'
CSeq: 97039978 ACK'
Proxy-Authorization:Digest response="6eed51cb87f75c0b7b442059e94c5857",username="0715607682",realm="192.168.11.2",nonce="VEkHXlRJBjKevWOll8gBRI0Lbsnsweko",uri="sip:0715607681 at 192.168.11.2:5060"'
User-Agent: Brcm-Callctrl/v1.8.2 M5T SIP-UA SAFE/v3.6.4.8'
'

#
U 2014/10/23 15:44:31.586610 192.168.11.2:5060 -> 172.27.1.11:5060
ACK sip:0715607681 at 172.27.1.11:5060;transport=udp SIP/2.0'
Max-Forwards: 10'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=14023395-544906330006EAB9-76D22700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=14023395-544906330006EAB9-76D22700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Via: SIP/2.0/UDP 192.168.11.2;branch=z9hG4bKf0e2.836afb5e76c78cd07f85528055ceec7e.0'
Via: SIP/2.0/UDP 192.168.11.3:5080;branch=z9hG4bKkMK.xaTl;rport=5080'
From: <sip:41715607682 at 192.168.11.2>;tag=14023395-544906330006EAB9-76D22700'
To: <sip:0715607681 at 192.168.11.2>;tag=3909742819'
CSeq: 10 ACK'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4_b2b-1'
User-Agent: Brcm-Callctrl/v1.8.2 M5T SIP-UA SAFE/v3.6.4.8'
Content-Length: 0'
Contact: <sip:ngcp-lb at 10.0.0.248:5060;ngcpct=c2lwOjE5Mi4xNjguMTEuMzo1MDgw>'
'

#
U 2014/10/23 15:44:36.656356 172.27.1.11:5060 -> 192.168.11.2:5060
BYE sip:ngcp-lb at 10.0.0.248:5060;ngcpct=c2lwOjE5Mi4xNjguMTEuMzo1MDgw SIP/2.0'
Via: SIP/2.0/UDP 172.27.1.11;branch=z9hG4bK24136e4f0a9f14b50'
Route: <sip:192.168.11.2;r2=on;lr=on;ftag=14023395-544906330006EAB9-76D22700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Route: <sip:192.168.11.3;r2=on;lr=on;ftag=14023395-544906330006EAB9-76D22700;ngcplb=yes;socket=sip:192.168.11.2:5060>'
Max-Forwards: 70'
From: <sip:0715607681 at 192.168.11.2>;tag=3909742819'
To: <sip:41715607682 at 192.168.11.2>;tag=14023395-544906330006EAB9-76D22700'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4_b2b-1'
CSeq: 890461714 BYE'
Allow:  INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, PRACK, INFO'
Supported: timer'
User-Agent: Brcm-Callctrl/v1.10.3 M5T SIP Stack/4.1.2.2'
Content-Length: 0'
'

#
U 2014/10/23 15:44:36.658907 192.168.11.2:5060 -> 172.27.1.11:5060
SIP/2.0 200 OK'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=3909742819;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=3909742819;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Via: SIP/2.0/UDP 172.27.1.11;rport=5060;branch=z9hG4bK24136e4f0a9f14b50'
From: <sip:0715607681 at 192.168.11.2>;tag=3909742819'
To: <sip:41715607682 at 192.168.11.2>;tag=14023395-544906330006EAB9-76D22700'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4_b2b-1'
CSeq: 890461714 BYE'
Server: Sipwise NGCP Application Server'
Content-Length: 0'
'

#
U 2014/10/23 15:44:36.661148 192.168.11.2:5060 -> 172.27.1.4:5060
BYE sip:0715607682 at 172.27.1.4:5060;transport=udp SIP/2.0'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=4AAE7661-544906330006E8E6-76419700;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=4AAE7661-544906330006E8E6-76419700;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Max-Forwards:  9'
Record-Route: <sip:192.168.11.3:5062;lr=on;ftag=4AAE7661-544906330006E8E6-76419700;rtpprx=yes>'
Via: SIP/2.0/UDP 192.168.11.2;branch=z9hG4bK8d34.0ee660f2aecc25d0b25b1d8c06ec02b5.0'
Via: SIP/2.0/UDP 192.168.11.3:5062;rport=5062;branch=z9hG4bK8d34.dee7ed84dabd5d4458fd9819eddbace2.0'
Via: SIP/2.0/UDP 192.168.11.3:5080;branch=z9hG4bKSr3ClaAv;rport=5080'
From: sip:0715607681 at 192.168.11.2:5060;tag=4AAE7661-544906330006E8E6-76419700'
To: <sip:0715607682 at 192.168.11.2:5060>;tag=b4c541df50a94af'
CSeq: 10 BYE'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4'
Content-Length: 0'
'

#
U 2014/10/23 15:44:36.698705 172.27.1.4:5060 -> 192.168.11.2:5060
SIP/2.0 200 OK'
Call-ID: 1122a93ba7fff0f4c3803dbb4174a482 at 172.27.1.4'
CSeq: 10 BYE'
From: sip:0715607681 at 192.168.11.2:5060;tag=4AAE7661-544906330006E8E6-76419700'
To: <sip:0715607682 at 192.168.11.2:5060>;tag=b4c541df50a94af'
Via: SIP/2.0/UDP 192.168.11.2;branch=z9hG4bK8d34.0ee660f2aecc25d0b25b1d8c06ec02b5.0'
Via: SIP/2.0/UDP 192.168.11.3:5062;branch=z9hG4bK8d34.dee7ed84dabd5d4458fd9819eddbace2.0;rport=5062'
Via: SIP/2.0/UDP 192.168.11.3:5080;branch=z9hG4bKSr3ClaAv;rport=5080'
Record-Route: <sip:192.168.11.2;r2=on;lr=on;ftag=4AAE7661-544906330006E8E6-76419700;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.3;r2=on;lr=on;ftag=4AAE7661-544906330006E8E6-76419700;ngcplb=yes;socket=udp:192.168.11.2:5060>'
Record-Route: <sip:192.168.11.3:5062;lr=on;ftag=4AAE7661-544906330006E8E6-76419700;rtpprx=yes>'
Content-Length: 0'
Supported: replaces'
User-Agent: Brcm-Callctrl/v1.8.2 M5T SIP-UA SAFE/v3.6.4.8'
Server:  M5T SIP-UA SAFE/v3.6.4.8'
'


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