[SR-Users] tls nat

hiro 23hiro at gmail.com
Thu Sep 12 14:01:41 CEST 2013


ok, managed to find a better way to export decrypted sip from
wireshark. An example log is in the attachment.

On 9/9/13, Daniel-Constantin Mierla <miconda at gmail.com> wrote:
> Hello,
>
> I doubt Kamailio adds any sdp body. Can you post here the ngrep with all
> the SIP signaling from the first INVITE?
>
> Cheers,
> Daniel
>
>
> On Sun, Sep 8, 2013 at 11:00 PM, hiro <23hiro at gmail.com> wrote:
>
>> Ok, I compiled the latest rtpproxy.so, the problem persists: the
>> interesting facts are: the callee only answers with sdp port once, in
>> the session progress message. the 200 ok does not have sdp body, but
>> kamailio inserts sdp into it.
>>
>> With the new rtpproxy.so kamailio responds to the session progress by
>> sending a prack to the callee itself followed by a 200 ok to the
>> caller that includes sdp but has CSeq: 893961 PRACK which never got
>> requested by the caller though.
>>
>> On 9/4/13, hiro <23hiro at gmail.com> wrote:
>> > For this installation I used the .deb from
>> http://deb.kamailio.org/kamailio
>> > Sorry I forgot to include this critical information.
>> > Is 4.0.3 new enough? Else I can also compile tip, or head or whatever
>> > it's called ;)
>> >
>> >  kamailio -V
>> > version: kamailio 4.0.3 (x86_64/linux)
>> > flags: STATS: Off, USE_IPV6, USE_TCP, USE_TLS, TLS_HOOKS,
>> > USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM,
>> > SHM_MMAP, PKG_MALLOC, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT,
>> > USE_DNS_CACHE, USE_DNS_FAILOVER,
>> >  USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES
>> >
>> >
>> > ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16,
>> > MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 4MB
>> > poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
>> > id: unknown
>> > compiled on 17:01:35 Aug 19 2013 with gcc 4.7.2
>> >
>> >
>> > On 9/4/13, Daniel-Constantin Mierla <miconda at gmail.com> wrote:
>> >> Hello,
>> >>
>> >> On 8/29/13 10:22 PM, hiro wrote:
>> >>> After many failures because of broken libraries I managed to decrypt
>> >>> my problematic TLS sessions providing the private key of kamailio to
>> >>> wireshark.
>> >>>
>> >>> With TLS+SRTP enabled my nokia phones send session progress and
>> >>> pracks
>> >>> with rtp port. This breaks NAT/rtpproxy in kamailio, which replaces
>> >>> the rtpproxy port in session progress, but then forgets about it for
>> >>> the 200 OK.
>> >>>
>> >>> Attached is a tree overview and the conversations of each phone with
>> >>> kamailio.
>> >> can you try with latest branch 4.0? The issue was probably due to
>> >> rtpproxy_manage() function not taking in consideration PRACKs with
>> >> sdp.
>> >> Alternative is to use rtpproxy_offer()/rtpproxy_answer() to control
>> >> rtpproxy application.
>> >>
>> >> Cheers,
>> >> Daniel
>> >>
>> >> --
>> >> Daniel-Constantin Mierla - http://www.asipto.com
>> >> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>> >> Kamailio Advanced Trainings - Berlin, Oct 21-24; Miami, Nov 11-13,
>> >> 2013
>> >>    - more details about Kamailio trainings at http://www.asipto.com -
>> >>
>> >>
>> >> _______________________________________________
>> >> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing
>> >> list
>> >> sr-users at lists.sip-router.org
>> >> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>> >>
>> >
>>
>
>
>
> --
> Daniel-Constantin Mierla
>   http://www.asipto.com
>
-------------- next part --------------
No.     Time           Source                Destination           Protocol Length Info
     14 0.306061000    dyn-ip         kamailio-ip        SIP      487    Request: REGISTER sips:kamailio-domain:5061

Internet Protocol Version 4, Src: dyn-ip (dyn-ip), Dst: kamailio-ip (kamailio-ip)
Transmission Control Protocol, Src Port: sent-lm (2316), Dst Port: sip-tls (5061), Seq: 401, Ack: 1695, Len: 421
    Request-Line: REGISTER sips:kamailio-domain:5061 SIP/2.0
    Message Header
        Via: SIP/2.0/TLS 192.168.1.54:5061;branch=z9hG4bKm7cvaarklhhc62m507aqjaq;rport
        From: <sips:8 at kamailio-domain>;tag=8ddfaat86thc6l7u07aq
        To: <sips:8 at kamailio-domain>
        Contact: <sips:r8J23Mj4ovzZsBJF7Aso at 192.168.1.54:5061>;expires=3600
        CSeq: 10516286 REGISTER
        Call-ID: j47RaY3qoIdIjw7lGk2bMAiNynk0MG
        User-Agent: Nokia RM-530 091.004
        Max-Forwards: 70
        Content-Length: 0

No.     Time           Source                Destination           Protocol Length Info
     15 0.307482000    kamailio-ip        dyn-ip         SIP      551    Status: 401 Unauthorized    (0 bindings)

Internet Protocol Version 4, Src: kamailio-ip (kamailio-ip), Dst: dyn-ip (dyn-ip)
Transmission Control Protocol, Src Port: sip-tls (5061), Dst Port: sent-lm (2316), Seq: 1695, Ack: 822, Len: 485
    Status-Line: SIP/2.0 401 Unauthorized
    Message Header
        Via: SIP/2.0/TLS 192.168.1.54:5061;branch=z9hG4bKm7cvaarklhhc62m507aqjaq;rport=2316;received=dyn-ip
        From: <sips:8 at kamailio-domain>;tag=8ddfaat86thc6l7u07aq
        To: <sips:8 at kamailio-domain>;tag=b27e1a1d33761e85846fc98f5f3a7e58.ce61
        CSeq: 10516286 REGISTER
        Call-ID: j47RaY3qoIdIjw7lGk2bMAiNynk0MG
        WWW-Authxxx
        Server: kamailio (4.0.3 (x86_64/linux))
        Content-Length: 0

No.     Time           Source                Destination           Protocol Length Info
     16 0.343777000    dyn-ip         kamailio-ip        SIP      663    Request: REGISTER sips:kamailio-domain:5061

Internet Protocol Version 4, Src: dyn-ip (dyn-ip), Dst: kamailio-ip (kamailio-ip)
Transmission Control Protocol, Src Port: sent-lm (2316), Dst Port: sip-tls (5061), Seq: 822, Ack: 2180, Len: 597
    Request-Line: REGISTER sips:kamailio-domain:5061 SIP/2.0
    Message Header
        Via: SIP/2.0/TLS 192.168.1.54:5061;branch=z9hG4bKhrna1od0s5astikguklhogb;rport
        From: <sips:8 at kamailio-domain>;tag=8ddfaat86thc6l7u07aq
        To: <sips:8 at kamailio-domain>
        Contact: <sips:r8J23Mj4ovzZsBJF7Aso at 192.168.1.54:5061>;expires=3600
        CSeq: 10516287 REGISTER
        Call-ID: j47RaY3qoIdIjw7lGk2bMAiNynk0MG
        User-Agent: Nokia RM-530 091.004
        Max-Forwards: 70
        Authorizationxxx
        Content-Length: 0

No.     Time           Source                Destination           Protocol Length Info
     17 0.344263000    kamailio-ip        dyn-ip         SIP      583    Status: 200 OK    (1 bindings)

Internet Protocol Version 4, Src: kamailio-ip (kamailio-ip), Dst: dyn-ip (dyn-ip)
Transmission Control Protocol, Src Port: sip-tls (5061), Dst Port: sent-lm (2316), Seq: 2180, Ack: 1419, Len: 517
    Status-Line: SIP/2.0 200 OK
    Message Header
        Via: SIP/2.0/TLS 192.168.1.54:5061;branch=z9hG4bKhrna1od0s5astikguklhogb;rport=2316;received=dyn-ip
        From: <sips:8 at kamailio-domain>;tag=8ddfaat86thc6l7u07aq
        To: <sips:8 at kamailio-domain>;tag=b27e1a1d33761e85846fc98f5f3a7e58.e427
        CSeq: 10516287 REGISTER
        Call-ID: j47RaY3qoIdIjw7lGk2bMAiNynk0MG
        Contact: <sips:r8J23Mj4ovzZsBJF7Aso at 192.168.1.54:5061>;expires=3600;received="sip:dyn-ip:2316;transport=TLS"
        Server: kamailio (4.0.3 (x86_64/linux))
        Content-Length: 0

No.     Time           Source                Destination           Protocol Length Info
     32 73.878259000   dyn-ip         kamailio-ip        SIP      487    Request: REGISTER sips:kamailio-domain:5061

Internet Protocol Version 4, Src: dyn-ip (dyn-ip), Dst: kamailio-ip (kamailio-ip)
Transmission Control Protocol, Src Port: attachmate-g32 (2317), Dst Port: sip-tls (5061), Seq: 401, Ack: 1695, Len: 421
    Request-Line: REGISTER sips:kamailio-domain:5061 SIP/2.0
    Message Header
        Via: SIP/2.0/TLS 192.168.1.56:5061;branch=z9hG4bK3ddb87fredhc635m96k6bik;rport
        From: <sips:3 at kamailio-domain>;tag=mtbr8797t1hc607296k6
        To: <sips:3 at kamailio-domain>
        Contact: <sips:fiSWDAVNMudB0W2cxgpS at 192.168.1.56:5061>;expires=3600
        CSeq: 22532506 REGISTER
        Call-ID: zN2Q7kY5oIc6RkCEpqAV_PdJrkZsHc
        User-Agent: Nokia RM-632 101.003
        Max-Forwards: 70
        Content-Length: 0

No.     Time           Source                Destination           Protocol Length Info
     33 73.878943000   kamailio-ip        dyn-ip         SIP      551    Status: 401 Unauthorized    (0 bindings)

Internet Protocol Version 4, Src: kamailio-ip (kamailio-ip), Dst: dyn-ip (dyn-ip)
Transmission Control Protocol, Src Port: sip-tls (5061), Dst Port: attachmate-g32 (2317), Seq: 1695, Ack: 822, Len: 485
    Status-Line: SIP/2.0 401 Unauthorized
    Message Header
        Via: SIP/2.0/TLS 192.168.1.56:5061;branch=z9hG4bK3ddb87fredhc635m96k6bik;rport=2317;received=dyn-ip
        From: <sips:3 at kamailio-domain>;tag=mtbr8797t1hc607296k6
        To: <sips:3 at kamailio-domain>;tag=b27e1a1d33761e85846fc98f5f3a7e58.982b
        CSeq: 22532506 REGISTER
        Call-ID: zN2Q7kY5oIc6RkCEpqAV_PdJrkZsHc
        WWW-Authxxx
        Server: kamailio (4.0.3 (x86_64/linux))
        Content-Length: 0

No.     Time           Source                Destination           Protocol Length Info
     34 74.022701000   dyn-ip         kamailio-ip        SIP      663    Request: REGISTER sips:kamailio-domain:5061

Internet Protocol Version 4, Src: dyn-ip (dyn-ip), Dst: kamailio-ip (kamailio-ip)
Transmission Control Protocol, Src Port: attachmate-g32 (2317), Dst Port: sip-tls (5061), Seq: 822, Ack: 2180, Len: 597
    Request-Line: REGISTER sips:kamailio-domain:5061 SIP/2.0
    Message Header
        Via: SIP/2.0/TLS 192.168.1.56:5061;branch=z9hG4bK9ifkdbq6lucnnikgmgep77j;rport
        From: <sips:3 at kamailio-domain>;tag=mtbr8797t1hc607296k6
        To: <sips:3 at kamailio-domain>
        Contact: <sips:fiSWDAVNMudB0W2cxgpS at 192.168.1.56:5061>;expires=3600
        CSeq: 22532507 REGISTER
        Call-ID: zN2Q7kY5oIc6RkCEpqAV_PdJrkZsHc
        User-Agent: Nokia RM-632 101.003
        Max-Forwards: 70
        Authorizationxxx
        Content-Length: 0

No.     Time           Source                Destination           Protocol Length Info
     35 74.023558000   kamailio-ip        dyn-ip         SIP      583    Status: 200 OK    (1 bindings)

Internet Protocol Version 4, Src: kamailio-ip (kamailio-ip), Dst: dyn-ip (dyn-ip)
Transmission Control Protocol, Src Port: sip-tls (5061), Dst Port: attachmate-g32 (2317), Seq: 2180, Ack: 1419, Len: 517
    Status-Line: SIP/2.0 200 OK
    Message Header
        Via: SIP/2.0/TLS 192.168.1.56:5061;branch=z9hG4bK9ifkdbq6lucnnikgmgep77j;rport=2317;received=dyn-ip
        From: <sips:3 at kamailio-domain>;tag=mtbr8797t1hc607296k6
        To: <sips:3 at kamailio-domain>;tag=b27e1a1d33761e85846fc98f5f3a7e58.c899
        CSeq: 22532507 REGISTER
        Call-ID: zN2Q7kY5oIc6RkCEpqAV_PdJrkZsHc
        Contact: <sips:fiSWDAVNMudB0W2cxgpS at 192.168.1.56:5061>;expires=3600;received="sip:dyn-ip:2317;transport=TLS"
        Server: kamailio (4.0.3 (x86_64/linux))
        Content-Length: 0

No.     Time           Source                Destination           Protocol Length Info
     37 248.048583000  dyn-ip         kamailio-ip        SIP      695    Request: INVITE sips:8 at kamailio-domain

Internet Protocol Version 4, Src: dyn-ip (dyn-ip), Dst: kamailio-ip (kamailio-ip)
Transmission Control Protocol, Src Port: attachmate-g32 (2317), Dst Port: sip-tls (5061), Seq: 1419, Ack: 2697, Len: 629
    Request-Line: INVITE sips:8 at kamailio-domain SIP/2.0
    Message Header
        Via: SIP/2.0/TLS 192.168.1.56:5061;branch=z9hG4bKc0pr878an5hc6dta09cj64g;rport
        From: <sips:3 at kamailio-domain>;tag=jkkr87em49hc7eu809cj
        To: <sips:8 at kamailio-domain>
        Contact: <sips:fiSWDAVNMudB0W2cxgpS at 192.168.1.56:5061>
        Supported: precondition,100rel,timer
        CSeq: 22532507 INVITE
        Call-ID: _qaQ7rXfoIfA6M9pcPxbG5ZB_qNSbW
        Allow: UPDATE,PRACK,SUBSCRIBE,REFER,NOTIFY,INVITE,ACK,CANCEL,OPTIONS,BYE
        User-Agent: Nokia RM-632 101.003 (de)
        Expires: 120
        Privacy: None
        Session-Expires: 3600
        Max-Forwards: 70
        Content-Type: application/sdp
        Accept-Language: de
        Content-Length: 790

No.     Time           Source                Destination           Protocol Length Info
     41 248.130524000  kamailio-ip        dyn-ip         SIP      583    Status: 407 Proxy Authentication Required

Internet Protocol Version 4, Src: kamailio-ip (kamailio-ip), Dst: dyn-ip (dyn-ip)
Transmission Control Protocol, Src Port: sip-tls (5061), Dst Port: attachmate-g32 (2317), Seq: 2697, Ack: 2869, Len: 517
    Status-Line: SIP/2.0 407 Proxy Authentication Required
    Message Header
        Via: SIP/2.0/TLS 192.168.1.56:5061;branch=z9hG4bKc0pr878an5hc6dta09cj64g;rport=2317;received=dyn-ip
        From: <sips:3 at kamailio-domain>;tag=jkkr87em49hc7eu809cj
        To: <sips:8 at kamailio-domain>;tag=b27e1a1d33761e85846fc98f5f3a7e58.0fd3
        CSeq: 22532507 INVITE
        Call-ID: _qaQ7rXfoIfA6M9pcPxbG5ZB_qNSbW
        Proxy-Authxxx
        Server: kamailio (4.0.3 (x86_64/linux))
        Content-Length: 0

No.     Time           Source                Destination           Protocol Length Info
     42 248.164179000  dyn-ip         kamailio-ip        SIP      439    Request: ACK sips:8 at kamailio-domain

Internet Protocol Version 4, Src: dyn-ip (dyn-ip), Dst: kamailio-ip (kamailio-ip)
Transmission Control Protocol, Src Port: attachmate-g32 (2317), Dst Port: sip-tls (5061), Seq: 2869, Ack: 3214, Len: 373
    Request-Line: ACK sips:8 at kamailio-domain SIP/2.0
    Message Header
        Via: SIP/2.0/TLS 192.168.1.56:5061;branch=z9hG4bKc0pr878an5hc6dta09cj64g;rport
        From: <sips:3 at kamailio-domain>;tag=jkkr87em49hc7eu809cj
        To: <sips:8 at kamailio-domain>;tag=b27e1a1d33761e85846fc98f5f3a7e58.0fd3
        Call-ID: _qaQ7rXfoIfA6M9pcPxbG5ZB_qNSbW
        CSeq: 22532507 ACK
        Supported: sec-agree
        Max-Forwards: 70
        Content-Length: 0

No.     Time           Source                Destination           Protocol Length Info
     46 249.283709000  dyn-ip         kamailio-ip        SIP      1506   [TCP Retransmission] Request: INVITE sips:8 at kamailio-domain

Internet Protocol Version 4, Src: dyn-ip (dyn-ip), Dst: kamailio-ip (kamailio-ip)
Transmission Control Protocol, Src Port: attachmate-g32 (2317), Dst Port: sip-tls (5061), Seq: 3242, Ack: 3214, Len: 1440
    Request-Line: INVITE sips:8 at kamailio-domain SIP/2.0
    Message Header
        Via: SIP/2.0/TLS 192.168.1.56:5061;branch=z9hG4bKl3svs4g1vomgr4ucmgem4l3;rport
        From: <sips:3 at kamailio-domain>;tag=jkkr87em49hc7eu809cj
        To: <sips:8 at kamailio-domain>
        Contact: <sips:fiSWDAVNMudB0W2cxgpS at 192.168.1.56:5061>
        Supported: precondition,100rel,timer
        CSeq: 22532508 INVITE
        Call-ID: _qaQ7rXfoIfA6M9pcPxbG5ZB_qNSbW
        Allow: UPDATE,PRACK,SUBSCRIBE,REFER,NOTIFY,INVITE,ACK,CANCEL,OPTIONS,BYE
        User-Agent: Nokia RM-632 101.003 (de)
        Expires: 120
        Privacy: None
        Session-Expires: 3600
        Max-Forwards: 70
        Proxy-Authxxx
        Content-Type: application/sdp
        Accept-Language: de
        Content-Length: 790

No.     Time           Source                Destination           Protocol Length Info
     50 249.306807000  kamailio-ip        dyn-ip         SIP      455    Status: 100 trying -- your call is important to us

Internet Protocol Version 4, Src: kamailio-ip (kamailio-ip), Dst: dyn-ip (dyn-ip)
Transmission Control Protocol, Src Port: sip-tls (5061), Dst Port: attachmate-g32 (2317), Seq: 3214, Ack: 4868, Len: 389
    Status-Line: SIP/2.0 100 trying -- your call is important to us
    Message Header
        Via: SIP/2.0/TLS 192.168.1.56:5061;branch=z9hG4bKl3svs4g1vomgr4ucmgem4l3;rport=2317;received=dyn-ip
        From: <sips:3 at kamailio-domain>;tag=jkkr87em49hc7eu809cj
        To: <sips:8 at kamailio-domain>
        CSeq: 22532508 INVITE
        Call-ID: _qaQ7rXfoIfA6M9pcPxbG5ZB_qNSbW
        Server: kamailio (4.0.3 (x86_64/linux))
        Content-Length: 0

No.     Time           Source                Destination           Protocol Length Info
     52 249.307613000  kamailio-ip        dyn-ip         SIP/SDP  295    Request: INVITE sips:r8J23Mj4ovzZsBJF7Aso at 192.168.1.54:5061, with session description

Internet Protocol Version 4, Src: kamailio-ip (kamailio-ip), Dst: dyn-ip (dyn-ip)
Transmission Control Protocol, Src Port: sip-tls (5061), Dst Port: sent-lm (2316), Seq: 4137, Ack: 1419, Len: 229
[2 Reassembled TCP Segments (1669 bytes): #51(1440), #52(229)]
    Request-Line: INVITE sips:r8J23Mj4ovzZsBJF7Aso at 192.168.1.54:5061 SIP/2.0
    Message Header
        Record-Route: <sips:kamailio-ip:5061;transport=tls;lr=on;ftag=jkkr87em49hc7eu809cj;nat=yes>
        Via: SIP/2.0/TLS kamailio-ip:5061;branch=z9hG4bKf71.c8476375.0;i=2
        Via: SIP/2.0/TLS 192.168.1.56:5061;received=dyn-ip;branch=z9hG4bKl3svs4g1vomgr4ucmgem4l3;rport=2317
        From: <sips:3 at kamailio-domain>;tag=jkkr87em49hc7eu809cj
        To: <sips:8 at kamailio-domain>
        Contact: <sips:fiSWDAVNMudB0W2cxgpS at 192.168.1.56:5061;alias=dyn-ip~2317~3>
        Supported: precondition,100rel,timer
        CSeq: 22532508 INVITE
        Call-ID: _qaQ7rXfoIfA6M9pcPxbG5ZB_qNSbW
        Allow: UPDATE,PRACK,SUBSCRIBE,REFER,NOTIFY,INVITE,ACK,CANCEL,OPTIONS,BYE
        User-Agent: Nokia RM-632 101.003 (de)
        Expires: 120
        Privacy: None
        Session-Expires: 3600
        Max-Forwards: 16
        Content-Type: application/sdp
        Accept-Language: de
        Content-Length: 794
    Message Body
        Session Description Protocol
            Session Description Protocol Version (v): 0
            Owner/Creator, Session Id (o): 3 63547248628293000 63547248628293000 IN IP4 kamailio-ip
            Session Name (s): -
            Connection Information (c): IN IP4 kamailio-ip
            Time Description, active time (t): 0 0
            Media Description, name and address (m): audio 49246 RTP/SAVP 100 0 8 97 18 96 98 13
            Media Attribute (a): sendrecv
            Media Attribute (a): crypto:1 AES_CM_128_HMAC_SHA1_80 xxx
            Media Attribute (a): crypto:2 AES_CM_128_HMAC_SHA1_32 xxx
            Media Attribute (a): curr:sec e2e none
            Media Attribute (a): des:sec optional e2e sendrecv
            Media Attribute (a): rtcp:49247
            Media Attribute (a): rtpmap:100 AMR-WB/16000
            Media Attribute (a): ptime:20
            Media Attribute (a): maxptime:200
            Media Attribute (a): fmtp:100 mode-change-period=2; mode-change-neighbor=1
            Media Attribute (a): rtpmap:0 PCMU/8000
            Media Attribute (a): rtpmap:8 PCMA/8000
            Media Attribute (a): rtpmap:97 iLBC/8000
            Media Attribute (a): rtpmap:18 G729/8000
            Media Attribute (a): fmtp:18 annexb=no
            Media Attribute (a): rtpmap:96 AMR/8000
            Media Attribute (a): fmtp:96 mode-set=0,1,2,3,4,5,6,7; mode-change-neighbor=1
            Media Attribute (a): rtpmap:98 telephone-event/8000
            Media Attribute (a): fmtp:98 0-15
            Media Attribute (a): rtpmap:13 CN/8000
            Media Attribute (a): nortpproxy:yes

No.     Time           Source                Destination           Protocol Length Info
     54 249.459550000  dyn-ip         kamailio-ip        SIP      455    Status: 100 Trying

Internet Protocol Version 4, Src: dyn-ip (dyn-ip), Dst: kamailio-ip (kamailio-ip)
Transmission Control Protocol, Src Port: sent-lm (2316), Dst Port: sip-tls (5061), Seq: 1419, Ack: 4366, Len: 389
    Status-Line: SIP/2.0 100 Trying
    Message Header
        Via: SIP/2.0/TLS kamailio-ip:5061;branch=z9hG4bKf71.c8476375.0;i=2,SIP/2.0/TLS 192.168.1.56:5061;received=dyn-ip;branch=z9hG4bKl3svs4g1vomgr4ucmgem4l3;rport=2317
        To: <sips:8 at kamailio-domain>
        From: <sips:3 at kamailio-domain>;tag=jkkr87em49hc7eu809cj
        Call-ID: _qaQ7rXfoIfA6M9pcPxbG5ZB_qNSbW
        CSeq: 22532508 INVITE
        Content-Length: 0

No.     Time           Source                Destination           Protocol Length Info
     57 249.968631000  dyn-ip         kamailio-ip        SIP      839    Status: 183 Session Progress

Internet Protocol Version 4, Src: dyn-ip (dyn-ip), Dst: kamailio-ip (kamailio-ip)
Transmission Control Protocol, Src Port: sent-lm (2316), Dst Port: sip-tls (5061), Seq: 1808, Ack: 4366, Len: 773
    Status-Line: SIP/2.0 183 Session Progress
    Message Header
        Record-Route: <sips:kamailio-ip:5061;transport=TLS;lr=on;ftag=jkkr87em49hc7eu809cj;nat=yes>
        Via: SIP/2.0/TLS kamailio-ip:5061;branch=z9hG4bKf71.c8476375.0;i=2,SIP/2.0/TLS 192.168.1.56:5061;received=dyn-ip;branch=z9hG4bKl3svs4g1vomgr4ucmgem4l3;rport=2317
        Require: 100rel,precondition
        Contact: <sips:r8J23Mj4ovzZsBJF7Aso at 192.168.1.54:5061>
        From: <sips:3 at kamailio-domain>;tag=jkkr87em49hc7eu809cj
        To: <sips:8 at kamailio-domain>;tag=95a1ri724g05o0kiuklj2432ochpfubd
        Supported: precondition,100rel
        RSeq: 4294967
        Call-ID: _qaQ7rXfoIfA6M9pcPxbG5ZB_qNSbW
        CSeq: 22532508 INVITE
        Allow: UPDATE,PRACK,SUBSCRIBE,REFER,NOTIFY,INVITE,ACK,CANCEL,OPTIONS,BYE
        Content-Type: application/sdp
        Content-Length: 476

No.     Time           Source                Destination           Protocol Length Info
     61 249.997708000  kamailio-ip        dyn-ip         SIP/SDP  1287   Status: 183 Session Progress, with session description

Internet Protocol Version 4, Src: kamailio-ip (kamailio-ip), Dst: dyn-ip (dyn-ip)
Transmission Control Protocol, Src Port: sip-tls (5061), Dst Port: attachmate-g32 (2317), Seq: 3603, Ack: 4868, Len: 1221
    Status-Line: SIP/2.0 183 Session Progress
    Message Header
        Record-Route: <sips:kamailio-ip:5061;transport=TLS;lr=on;ftag=jkkr87em49hc7eu809cj;nat=yes>
        Via: SIP/2.0/TLS 192.168.1.56:5061;received=dyn-ip;branch=z9hG4bKl3svs4g1vomgr4ucmgem4l3;rport=2317
        Require: 100rel,precondition
        Contact: <sips:r8J23Mj4ovzZsBJF7Aso at 192.168.1.54:5061;alias=dyn-ip~2316~3>
        From: <sips:3 at kamailio-domain>;tag=jkkr87em49hc7eu809cj
        To: <sips:8 at kamailio-domain>;tag=95a1ri724g05o0kiuklj2432ochpfubd
        Supported: precondition,100rel
        RSeq: 4294967
        Call-ID: _qaQ7rXfoIfA6M9pcPxbG5ZB_qNSbW
        CSeq: 22532508 INVITE
        Allow: UPDATE,PRACK,SUBSCRIBE,REFER,NOTIFY,INVITE,ACK,CANCEL,OPTIONS,BYE
        Content-Type: application/sdp
        Content-Length: 498
    Message Body
        Session Description Protocol
            Session Description Protocol Version (v): 0
            Owner/Creator, Session Id (o): 8 63547248731108750 63547248731108750 IN IP4 kamailio-ip
            Session Name (s): -
            Connection Information (c): IN IP4 kamailio-ip
            Time Description, active time (t): 0 0
            Media Description, name and address (m): audio 49250 RTP/SAVP 100 98 13
            Media Attribute (a): sendrecv
            Media Attribute (a): crypto:1 AES_CM_128_HMAC_SHA1_80 xxx
            Media Attribute (a): curr:sec e2e recv
            Media Attribute (a): des:sec mandatory e2e sendrecv
            Media Attribute (a): conf:sec e2e sendrecv
            Media Attribute (a): rtpmap:100 AMR-WB/16000
            Media Attribute (a): ptime:20
            Media Attribute (a): maxptime:200
            Media Attribute (a): fmtp:100 mode-set=0,1,2,3,4,5,6,7,8
            Media Attribute (a): rtpmap:98 telephone-event/8000
            Media Attribute (a): fmtp:98 0-15
            Media Attribute (a): rtpmap:13 CN/8000
            Media Attribute (a): nortpproxy:yes

No.     Time           Source                Destination           Protocol Length Info
     67 250.306681000  kamailio-ip        dyn-ip         SIP/SDP  119    Request: PRACK sips:r8J23Mj4ovzZsBJF7Aso at 192.168.1.54:5061, with session description

Internet Protocol Version 4, Src: kamailio-ip (kamailio-ip), Dst: dyn-ip (dyn-ip)
Transmission Control Protocol, Src Port: sip-tls (5061), Dst Port: sent-lm (2316), Seq: 5806, Ack: 3098, Len: 53
[2 Reassembled TCP Segments (1493 bytes): #66(1440), #67(53)]
    Request-Line: PRACK sips:r8J23Mj4ovzZsBJF7Aso at 192.168.1.54:5061 SIP/2.0
    Message Header
        Via: SIP/2.0/TLS kamailio-ip:5061;branch=z9hG4bKe71.b27f2163.0;i=2
        Via: SIP/2.0/TLS 192.168.1.56:5061;received=dyn-ip;branch=z9hG4bKv1fb87fpo9hc6lq10jsvrl0;rport=2317
        Require: precondition
        To: <sips:8 at kamailio-domain>;tag=95a1ri724g05o0kiuklj2432ochpfubd
        From: <sips:3 at kamailio-domain>;tag=jkkr87em49hc7eu809cj
        RAck: 4294967 22532508 INVITE
        Supported: precondition,timer
        Call-ID: _qaQ7rXfoIfA6M9pcPxbG5ZB_qNSbW
        CSeq: 22532509 PRACK
        User-Agent: Nokia RM-632 101.003 (de)
        Expires: 120
        Privacy: None
        Allow: INVITE,ACK,CANCEL,OPTIONS,BYE
        Session-Expires: 3600
        Max-Forwards: 16
        Proxy-Authxxx
        Content-Type: application/sdp
        Accept-Language: de
        Content-Length: 505
    Message Body
        Session Description Protocol
            Session Description Protocol Version (v): 0
            Owner/Creator, Session Id (o): 3 63547248628293000 63547248628293001 IN IP4 192.168.1.56
            Session Name (s): -
            Connection Information (c): IN IP4 192.168.1.56
            Time Description, active time (t): 0 0
            Media Description, name and address (m): audio 4000 RTP/SAVP 100 98 13
            Media Attribute (a): sendrecv
            Media Attribute (a): crypto:1 AES_CM_128_HMAC_SHA1_80 xxx
            Media Attribute (a): curr:sec e2e sendrecv
            Media Attribute (a): des:sec mandatory e2e sendrecv
            Media Attribute (a): rtcp:4001 IN IP4 192.168.1.56
            Media Attribute (a): rtpmap:100 AMR-WB/16000
            Media Attribute (a): ptime:20
            Media Attribute (a): maxptime:200
            Media Attribute (a): fmtp:100 mode-change-period=2; mode-change-neighbor=1
            Media Attribute (a): rtpmap:98 telephone-event/8000
            Media Attribute (a): fmtp:98 0-15
            Media Attribute (a): rtpmap:13 CN/8000

No.     Time           Source                Destination           Protocol Length Info
     69 250.413536000  dyn-ip         kamailio-ip        SIP      551    Status: 200 OK

Internet Protocol Version 4, Src: dyn-ip (dyn-ip), Dst: kamailio-ip (kamailio-ip)
Transmission Control Protocol, Src Port: sent-lm (2316), Dst Port: sip-tls (5061), Seq: 3098, Ack: 5859, Len: 485
    Status-Line: SIP/2.0 200 OK
    Message Header
        Via: SIP/2.0/TLS kamailio-ip:5061;branch=z9hG4bKe71.b27f2163.0;i=2,SIP/2.0/TLS 192.168.1.56:5061;received=dyn-ip;branch=z9hG4bKv1fb87fpo9hc6lq10jsvrl0;rport=2317
        To: <sips:8 at kamailio-domain>;tag=95a1ri724g05o0kiuklj2432ochpfubd
        From: <sips:3 at kamailio-domain>;tag=jkkr87em49hc7eu809cj
        Call-ID: _qaQ7rXfoIfA6M9pcPxbG5ZB_qNSbW
        CSeq: 22532509 PRACK
        Allow: INVITE,ACK,CANCEL,OPTIONS,BYE
        Content-Type: application/sdp
        Content-Length: 455

No.     Time           Source                Destination           Protocol Length Info
     71 250.444532000  dyn-ip         kamailio-ip        SIP      1196   Status: 180 Ringing

Internet Protocol Version 4, Src: dyn-ip (dyn-ip), Dst: kamailio-ip (kamailio-ip)
Transmission Control Protocol, Src Port: sent-lm (2316), Dst Port: sip-tls (5061), Seq: 3583, Ack: 5859, Len: 1130
Data (455 bytes)

0000  76 3d 30 0d 0a 6f 3d 38 20 36 33 35 34 37 32 34   v=0..o=8 6354724
0010  38 37 33 31 31 30 38 37 35 30 20 36 33 35 34 37   8731108750 63547
0020  32 34 38 37 33 31 31 30 38 37 35 31 20 49 4e 20   248731108751 IN 
0030  49 50 34 20 31 39 32 2e 31 36 38 2e 31 2e 35 34   IP4 192.168.1.54
0040  0d 0a 73 3d 2d 0d 0a 63 3d 49 4e 20 49 50 34 20   ..s=-..c=IN IP4 
0050  31 39 32 2e 31 36 38 2e 31 2e 35 34 0d 0a 74 3d   192.168.1.54..t=
0060  30 20 30 0d 0a 6d 3d 61 75 64 69 6f 20 34 39 31   0 0..m=audio 491
0070  35 32 20 52 54 50 2f 53 41 56 50 20 31 30 30 20   52 RTP/SAVP 100 
0080  39 38 20 31 33 0d 0a 61 3d 73 65 6e 64 72 65 63   98 13..a=sendrec
0090  76 0d 0a 61 3d 63 72 79 70 74 6f 3a 31 20 41 45   v..a=crypto xxx
00a0  53 5f 43 4d 5f 31 32 38 5f 48 4d 41 43 5f 53 48   S_CM_128_HMAC_SH
00b0  41 31 5f 38 30 20 69 6e 6c 69 6e 65 3a 62 6b 74   A1_80 xxx
00c0  4b 52 6d 46 30 58 31 42 6b 52 46 5a 44 4f 48 70   KRmF0X1BkRFZDOHp
00d0  4a 5a 45 39 69 52 6b 70 74 51 30 56 78 62 31 42   JZE9iRkptQ0Vxb1B
00e0  73 58 30 67 7a 0d 0a 61 3d 63 75 72 72 3a 73 65   sX0gz..a=curr:se
00f0  63 20 65 32 65 20 73 65 6e 64 72 65 63 76 0d 0a   c e2e sendrecv..
0100  61 3d 64 65 73 3a 73 65 63 20 6d 61 6e 64 61 74   a=des:sec mandat
0110  6f 72 79 20 65 32 65 20 73 65 6e 64 72 65 63 76   ory e2e sendrecv
0120  0d 0a 61 3d 72 74 70 6d 61 70 3a 31 30 30 20 41   ..a=rtpmap:100 A
0130  4d 52 2d 57 42 2f 31 36 30 30 30 0d 0a 61 3d 70   MR-WB/16000..a=p
0140  74 69 6d 65 3a 32 30 0d 0a 61 3d 6d 61 78 70 74   time:20..a=maxpt
0150  69 6d 65 3a 32 30 30 0d 0a 61 3d 66 6d 74 70 3a   ime:200..a=fmtp:
0160  31 30 30 20 6d 6f 64 65 2d 73 65 74 3d 30 2c 31   100 mode-set=0,1
0170  2c 32 2c 33 2c 34 2c 35 2c 36 2c 37 2c 38 0d 0a   ,2,3,4,5,6,7,8..
0180  61 3d 72 74 70 6d 61 70 3a 39 38 20 74 65 6c 65   a=rtpmap:98 tele
0190  70 68 6f 6e 65 2d 65 76 65 6e 74 2f 38 30 30 30   phone-event/8000
01a0  0d 0a 61 3d 66 6d 74 70 3a 39 38 20 30 2d 31 35   ..a=fmtp:98 0-15
01b0  0d 0a 61 3d 72 74 70 6d 61 70 3a 31 33 20 43 4e   ..a=rtpmap:13 CN
01c0  2f 38 30 30 30 0d 0a                              /8000..
    Status-Line: SIP/2.0 180 Ringing
    Message Header
        Record-Route: <sips:kamailio-ip:5061;transport=TLS;lr=on;ftag=jkkr87em49hc7eu809cj;nat=yes>
        Via: SIP/2.0/TLS kamailio-ip:5061;branch=z9hG4bKf71.c8476375.0;i=2,SIP/2.0/TLS 192.168.1.56:5061;received=dyn-ip;branch=z9hG4bKl3svs4g1vomgr4ucmgem4l3;rport=2317
        To: <sips:8 at kamailio-domain>;tag=95a1ri724g05o0kiuklj2432ochpfubd
        Contact: <sips:r8J23Mj4ovzZsBJF7Aso at 192.168.1.54:5061>
        From: <sips:3 at kamailio-domain>;tag=jkkr87em49hc7eu809cj
        Supported: precondition,100rel
        Call-ID: _qaQ7rXfoIfA6M9pcPxbG5ZB_qNSbW
        CSeq: 22532508 INVITE
        Allow: INVITE,ACK,CANCEL,OPTIONS,BYE
        Content-Length: 0

No.     Time           Source                Destination           Protocol Length Info
     73 250.445215000  kamailio-ip        dyn-ip         SIP/SDP  935    Status: 200 OK, with session description

Internet Protocol Version 4, Src: kamailio-ip (kamailio-ip), Dst: dyn-ip (dyn-ip)
Transmission Control Protocol, Src Port: sip-tls (5061), Dst Port: attachmate-g32 (2317), Seq: 4824, Ack: 6398, Len: 869
    Status-Line: SIP/2.0 200 OK
    Message Header
        Via: SIP/2.0/TLS 192.168.1.56:5061;received=dyn-ip;branch=z9hG4bKv1fb87fpo9hc6lq10jsvrl0;rport=2317
        To: <sips:8 at kamailio-domain>;tag=95a1ri724g05o0kiuklj2432ochpfubd
        From: <sips:3 at kamailio-domain>;tag=jkkr87em49hc7eu809cj
        Call-ID: _qaQ7rXfoIfA6M9pcPxbG5ZB_qNSbW
        CSeq: 22532509 PRACK
        Allow: INVITE,ACK,CANCEL,OPTIONS,BYE
        Content-Type: application/sdp
        Content-Length: 455
    Message Body
        Session Description Protocol
            Session Description Protocol Version (v): 0
            Owner/Creator, Session Id (o): 8 63547248731108750 63547248731108751 IN IP4 192.168.1.54
            Session Name (s): -
            Connection Information (c): IN IP4 192.168.1.54
            Time Description, active time (t): 0 0
            Media Description, name and address (m): audio 49152 RTP/SAVP 100 98 13
            Media Attribute (a): sendrecv
            Media Attribute (a): crypto:1 AES_CM_128_HMAC_SHA1_80 xxx
            Media Attribute (a): curr:sec e2e sendrecv
            Media Attribute (a): des:sec mandatory e2e sendrecv
            Media Attribute (a): rtpmap:100 AMR-WB/16000
            Media Attribute (a): ptime:20
            Media Attribute (a): maxptime:200
            Media Attribute (a): fmtp:100 mode-set=0,1,2,3,4,5,6,7,8
            Media Attribute (a): rtpmap:98 telephone-event/8000
            Media Attribute (a): fmtp:98 0-15
            Media Attribute (a): rtpmap:13 CN/8000

No.     Time           Source                Destination           Protocol Length Info
     74 250.445583000  kamailio-ip        dyn-ip         SIP      663    Status: 180 Ringing

Internet Protocol Version 4, Src: kamailio-ip (kamailio-ip), Dst: dyn-ip (dyn-ip)
Transmission Control Protocol, Src Port: sip-tls (5061), Dst Port: attachmate-g32 (2317), Seq: 5693, Ack: 6398, Len: 597
    Status-Line: SIP/2.0 180 Ringing
    Message Header
        Record-Route: <sips:kamailio-ip:5061;transport=TLS;lr=on;ftag=jkkr87em49hc7eu809cj;nat=yes>
        Via: SIP/2.0/TLS 192.168.1.56:5061;received=dyn-ip;branch=z9hG4bKl3svs4g1vomgr4ucmgem4l3;rport=2317
        To: <sips:8 at kamailio-domain>;tag=95a1ri724g05o0kiuklj2432ochpfubd
        Contact: <sips:r8J23Mj4ovzZsBJF7Aso at 192.168.1.54:5061;alias=dyn-ip~2316~3>
        From: <sips:3 at kamailio-domain>;tag=jkkr87em49hc7eu809cj
        Supported: precondition,100rel
        Call-ID: _qaQ7rXfoIfA6M9pcPxbG5ZB_qNSbW
        CSeq: 22532508 INVITE
        Allow: INVITE,ACK,CANCEL,OPTIONS,BYE
        Content-Length: 0

No.     Time           Source                Destination           Protocol Length Info
     76 251.546529000  dyn-ip         kamailio-ip        SIP      759    Status: 200 OK

Internet Protocol Version 4, Src: dyn-ip (dyn-ip), Dst: kamailio-ip (kamailio-ip)
Transmission Control Protocol, Src Port: sent-lm (2316), Dst Port: sip-tls (5061), Seq: 4713, Ack: 5859, Len: 693
    Status-Line: SIP/2.0 200 OK
    Message Header
        Record-Route: <sips:kamailio-ip:5061;transport=TLS;lr=on;ftag=jkkr87em49hc7eu809cj;nat=yes>
        Via: SIP/2.0/TLS kamailio-ip:5061;branch=z9hG4bKf71.c8476375.0;i=2,SIP/2.0/TLS 192.168.1.56:5061;received=dyn-ip;branch=z9hG4bKl3svs4g1vomgr4ucmgem4l3;rport=2317
        Require: timer
        To: <sips:8 at kamailio-domain>;tag=95a1ri724g05o0kiuklj2432ochpfubd
        Contact: <sips:r8J23Mj4ovzZsBJF7Aso at 192.168.1.54:5061>
        From: <sips:3 at kamailio-domain>;tag=jkkr87em49hc7eu809cj
        Supported: precondition,timer
        Call-ID: _qaQ7rXfoIfA6M9pcPxbG5ZB_qNSbW
        CSeq: 22532508 INVITE
        Allow: INVITE,ACK,CANCEL,OPTIONS,BYE
        Session-Expires: 3600;refresher=uas
        Content-Length: 0

No.     Time           Source                Destination           Protocol Length Info
     78 251.546877000  kamailio-ip        dyn-ip         SIP      711    Status: 200 OK

Internet Protocol Version 4, Src: kamailio-ip (kamailio-ip), Dst: dyn-ip (dyn-ip)
Transmission Control Protocol, Src Port: sip-tls (5061), Dst Port: attachmate-g32 (2317), Seq: 6290, Ack: 6398, Len: 645
    Status-Line: SIP/2.0 200 OK
    Message Header
        Record-Route: <sips:kamailio-ip:5061;transport=TLS;lr=on;ftag=jkkr87em49hc7eu809cj;nat=yes>
        Via: SIP/2.0/TLS 192.168.1.56:5061;received=dyn-ip;branch=z9hG4bKl3svs4g1vomgr4ucmgem4l3;rport=2317
        Require: timer
        To: <sips:8 at kamailio-domain>;tag=95a1ri724g05o0kiuklj2432ochpfubd
        Contact: <sips:r8J23Mj4ovzZsBJF7Aso at 192.168.1.54:5061;alias=dyn-ip~2316~3>
        From: <sips:3 at kamailio-domain>;tag=jkkr87em49hc7eu809cj
        Supported: precondition,timer
        Call-ID: _qaQ7rXfoIfA6M9pcPxbG5ZB_qNSbW
        CSeq: 22532508 INVITE
        Allow: INVITE,ACK,CANCEL,OPTIONS,BYE
        Session-Expires: 3600;refresher=uas
        Content-Length: 0

No.     Time           Source                Destination           Protocol Length Info
     81 251.678330000  kamailio-ip        dyn-ip         SIP      807    Request: ACK sips:r8J23Mj4ovzZsBJF7Aso at 192.168.1.54:5061

Internet Protocol Version 4, Src: kamailio-ip (kamailio-ip), Dst: dyn-ip (dyn-ip)
Transmission Control Protocol, Src Port: sip-tls (5061), Dst Port: sent-lm (2316), Seq: 5859, Ack: 5406, Len: 741
    Request-Line: ACK sips:r8J23Mj4ovzZsBJF7Aso at 192.168.1.54:5061 SIP/2.0
    Message Header
        Via: SIP/2.0/TLS kamailio-ip:5061;branch=z9hG4bKcydzigwkX;i=2
        Via: SIP/2.0/TLS 192.168.1.56:5061;received=dyn-ip;branch=z9hG4bKdsldsa91ok05p4ucmgekrd3;rport=2317
        To: <sips:8 at kamailio-domain>;tag=95a1ri724g05o0kiuklj2432ochpfubd
        From: <sips:3 at kamailio-domain>;tag=jkkr87em49hc7eu809cj
        Call-ID: _qaQ7rXfoIfA6M9pcPxbG5ZB_qNSbW
        CSeq: 22532508 ACK
        Supported: sec-agree
        Allow: INVITE,ACK,CANCEL,OPTIONS,BYE,INVITE,ACK,CANCEL,OPTIONS,BYE
        Max-Forwards: 16
        Proxy-Authxxx
        Content-Length: 0

No.     Time           Source                Destination           Protocol Length Info
     83 261.447296000  dyn-ip         kamailio-ip        SIP      615    Request: BYE sips:fiSWDAVNMudB0W2cxgpS at 192.168.1.56:5061;alias=dyn-ip~2317~3

Internet Protocol Version 4, Src: dyn-ip (dyn-ip), Dst: kamailio-ip (kamailio-ip)
Transmission Control Protocol, Src Port: sent-lm (2316), Dst Port: sip-tls (5061), Seq: 5406, Ack: 6600, Len: 549
    Request-Line: BYE sips:fiSWDAVNMudB0W2cxgpS at 192.168.1.56:5061;alias=dyn-ip~2317~3 SIP/2.0
    Message Header
        Route: <sips:kamailio-ip:5061;transport=TLS;lr=on;ftag=jkkr87em49hc7eu809cj;nat=yes>
        Via: SIP/2.0/TLS 192.168.1.54:5061;branch=z9hG4bKsievaas5cphc7h1ki3u459k;rport
        To: <sips:3 at kamailio-domain>;tag=jkkr87em49hc7eu809cj
        From: <sips:8 at kamailio-domain>;tag=95a1ri724g05o0kiuklj2432ochpfubd
        Call-ID: _qaQ7rXfoIfA6M9pcPxbG5ZB_qNSbW
        CSeq: 1 BYE
        Allow: INVITE,ACK,CANCEL,OPTIONS,BYE,INVITE,ACK,CANCEL,OPTIONS,BYE
        Max-Forwards: 70
        Content-Length: 0

No.     Time           Source                Destination           Protocol Length Info
     85 261.449699000  kamailio-ip        dyn-ip         SIP      599    Request: BYE sips:fiSWDAVNMudB0W2cxgpS at 192.168.1.56:5061

Internet Protocol Version 4, Src: kamailio-ip (kamailio-ip), Dst: dyn-ip (dyn-ip)
Transmission Control Protocol, Src Port: sip-tls (5061), Dst Port: attachmate-g32 (2317), Seq: 6935, Ack: 7155, Len: 533
    Request-Line: BYE sips:fiSWDAVNMudB0W2cxgpS at 192.168.1.56:5061 SIP/2.0
    Message Header
        Via: SIP/2.0/TLS kamailio-ip:5061;branch=z9hG4bK0d29.aa20da53.0;i=1
        Via: SIP/2.0/TLS 192.168.1.54:5061;received=dyn-ip;branch=z9hG4bKsievaas5cphc7h1ki3u459k;rport=2316
        To: <sips:3 at kamailio-domain>;tag=jkkr87em49hc7eu809cj
        From: <sips:8 at kamailio-domain>;tag=95a1ri724g05o0kiuklj2432ochpfubd
        Call-ID: _qaQ7rXfoIfA6M9pcPxbG5ZB_qNSbW
        CSeq: 1 BYE
        Allow: INVITE,ACK,CANCEL,OPTIONS,BYE,INVITE,ACK,CANCEL,OPTIONS,BYE
        Max-Forwards: 16
        Content-Length: 0

No.     Time           Source                Destination           Protocol Length Info
     88 261.488783000  kamailio-ip        dyn-ip         SIP      439    Status: 200 OK

Internet Protocol Version 4, Src: kamailio-ip (kamailio-ip), Dst: dyn-ip (dyn-ip)
Transmission Control Protocol, Src Port: sip-tls (5061), Dst Port: sent-lm (2316), Seq: 6600, Ack: 5955, Len: 373
    Status-Line: SIP/2.0 200 OK
    Message Header
        Via: SIP/2.0/TLS 192.168.1.54:5061;received=dyn-ip;branch=z9hG4bKsievaas5cphc7h1ki3u459k;rport=2316
        To: <sips:3 at kamailio-domain>;tag=jkkr87em49hc7eu809cj
        From: <sips:8 at kamailio-domain>;tag=95a1ri724g05o0kiuklj2432ochpfubd
        Call-ID: _qaQ7rXfoIfA6M9pcPxbG5ZB_qNSbW
        CSeq: 1 BYE
        Allow: INVITE,ACK,CANCEL,OPTIONS,BYE
        Content-Length: 0


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