[SR-Users] Multihomed Setup - Missrouted ACK and not rewritten SDP Packet

Daniel-Constantin Mierla miconda at gmail.com
Tue Apr 3 12:07:00 CEST 2012


Hello,

the ACK from softphone has r-uri with IP 111.111.111.111, which is the 
softphone itself.

Either there is an ALG router between the softphone and the proxy, or 
the softphone is broken. The R-URI in ACK has to be the the address from 
the Contact header of 200 ok reply.

Cheers,
Daniel

On 4/3/12 10:18 AM, Karsten Horsmann wrote:
> Hi all,
>
>
> missing or missrouted ACKs are often to read on the mailinglist. But i
> didnt found my issue there.
>
> 1.) After the 200 ok SDP the proxy gots an ACK from the UAC. But its
> not send to the IVR, kamailio
> send it back to the UAC (with the wrong source ip).
>
> 2.) The outgoing SDP packets contains RFC1918 (private) addresses.
>
> How can i fix that issues? mhomed=1 is set.
>
> Thanks!
>
> Sipphone 111.111.111.111
> Kamailio external 222.222.222.222
> Kamailio internal 172.20.100.74
> IVR internal/signaling 172.20.100.74
> IVR internal/rtp 172.20.100.71
>
> U 2012/04/03 09:11:37.578461 111.111.111.111:1862 ->  222.222.222.222:5060
> INVITE sip:kalkbrenner at 222.222.222.222 SIP/2.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-86d05e7b67b750aa-1---d8754z-;rport.
> Max-Forwards: 70.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 1 INVITE.
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
> SUBSCRIBE, INFO.
> Content-Type: application/sdp.
> Supported: replaces.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 232.
> .
> v=0.
> o=- 12977910697532256 1 IN IP4 111.111.111.111.
> s=CounterPath X-Lite 4.1.
> c=IN IP4 111.111.111.111.
> t=0 0.
> m=audio 25646 RTP/AVP 107 0 8 101.
> a=rtpmap:107 BV32/16000.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
> a=sendrecv.
>
>
> U 2012/04/03 09:11:37.578821 222.222.222.222:5060 ->  111.111.111.111:1862
> SIP/2.0 407 Proxy Authentication Required.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-86d05e7b67b750aa-1---d8754z-;rport=1862.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=4816d6de4e8ef5d73984156a735bce4d.9a24.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 1 INVITE.
> Proxy-Authenticate: Digest realm="222.222.222.222",
> nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR".
> Server: Kamailio.
> Content-Length: 0.
> Warning: 392 222.222.222.222:5060 "Noisy feedback tells:  pid=6640
> req_src_ip=111.111.111.111 req_src_port=1862
> in_uri=sip:kalkbrenner at 222.222.222.222
> out_uri=sip:kalkbrenner at 222.222.222.222 via_cnt==1".
> .
>
>
> U 2012/04/03 09:11:37.606220 111.111.111.111:1862 ->  222.222.222.222:5060
> ACK sip:kalkbrenner at 222.222.222.222 SIP/2.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-86d05e7b67b750aa-1---d8754z-;rport.
> Max-Forwards: 70.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=4816d6de4e8ef5d73984156a735bce4d.9a24.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 1 ACK.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:37.616989 111.111.111.111:1862 ->  222.222.222.222:5060
> INVITE sip:kalkbrenner at 222.222.222.222 SIP/2.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-;rport.
> Max-Forwards: 70.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
> SUBSCRIBE, INFO.
> Content-Type: application/sdp.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 222.222.222.222",response="ffb11f60ece5a99bde74a8ecd0d31ffa",algorithm=MD5.
> Supported: replaces.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 232.
> .
> v=0.
> o=- 12977910697532256 1 IN IP4 111.111.111.111.
> s=CounterPath X-Lite 4.1.
> c=IN IP4 111.111.111.111.
> t=0 0.
> m=audio 25646 RTP/AVP 107 0 8 101.
> a=rtpmap:107 BV32/16000.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
> a=sendrecv.
>
>
> U 2012/04/03 09:11:37.617725 222.222.222.222:5060 ->  111.111.111.111:1862
> SIP/2.0 100 trying -- your call is important to us.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-;rport=1862.
> To:<sip:kalkbrenner at 222.222.222.222>.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Server: Kamailio.
> Content-Length: 0.
> Warning: 392 222.222.222.222:5060 "Noisy feedback tells:  pid=6639
> req_src_ip=111.111.111.111 req_src_port=1862
> in_uri=sip:kalkbrenner at 222.222.222.222
> out_uri=sip:kalkbrenner at 172.20.100.61 via_cnt==1".
> .
>
>
> U 2012/04/03 09:11:37.617820 172.20.100.74:5060 ->  172.20.100.61:5060
> INVITE sip:kalkbrenner at 172.20.100.61 SIP/2.0.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bK9a5c.71c78a75.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-;rport=1862.
> Max-Forwards: 69.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
> SUBSCRIBE, INFO.
> Content-Type: application/sdp.
> Supported: replaces.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 232.
> .
> v=0.
> o=- 12977910697532256 1 IN IP4 111.111.111.111.
> s=CounterPath X-Lite 4.1.
> c=IN IP4 111.111.111.111.
> t=0 0.
> m=audio 25646 RTP/AVP 107 0 8 101.
> a=rtpmap:107 BV32/16000.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
> a=sendrecv.
>
>
> U 2012/04/03 09:11:37.637302 172.20.100.61:5060 ->  172.20.100.74:5060
> SIP/2.0 100 Trying.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bK9a5c.71c78a75.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:37.688813 172.20.100.61:5060 ->  172.20.100.74:5060
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bK9a5c.71c78a75.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:11:37.688941 222.222.222.222:5060 ->  111.111.111.111:1862
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:11:37.787049 111.111.111.111:1862 ->  222.222.222.222:5060
> ACK sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-8871cba456efbdcd-1---d8754z-;rport.
> Max-Forwards: 70.
> Route:<sip:222.222.222.222;lr;r2=on;ftag=b20de0d4>.
> Route:<sip:111.111.111.111:35446;r2=on;lr=on;ftag=b20de0d4>.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 ACK.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 222.222.222.222",response="ffb11f60ece5a99bde74a8ecd0d31ffa",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:37.787358 172.20.100.74:5060 ->  111.111.111.111:50350
> ACK sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bKcydzigwkX.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-8871cba456efbdcd-1---d8754z-;rport=1862.
> Max-Forwards: 69.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 ACK.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 222.222.222.222",response="ffb11f60ece5a99bde74a8ecd0d31ffa",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:38.188102 172.20.100.61:5060 ->  172.20.100.74:5060
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bK9a5c.71c78a75.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:11:38.188276 222.222.222.222:5060 ->  111.111.111.111:1862
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:11:38.223905 111.111.111.111:1862 ->  222.222.222.222:5060
> ACK sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-8871cba456efbdcd-1---d8754z-;rport.
> Max-Forwards: 70.
> Route:<sip:222.222.222.222;lr;r2=on;ftag=b20de0d4>.
> Route:<sip:111.111.111.111:35446;r2=on;lr=on;ftag=b20de0d4>.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 ACK.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 222.222.222.222",response="ffb11f60ece5a99bde74a8ecd0d31ffa",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:38.224112 172.20.100.74:5060 ->  111.111.111.111:50350
> ACK sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bKcydzigwkX.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-8871cba456efbdcd-1---d8754z-;rport=1862.
> Max-Forwards: 69.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 ACK.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 222.222.222.222",response="ffb11f60ece5a99bde74a8ecd0d31ffa",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:39.188999 172.20.100.61:5060 ->  172.20.100.74:5060
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bK9a5c.71c78a75.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:11:39.189218 222.222.222.222:5060 ->  111.111.111.111:1862
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:11:39.226368 111.111.111.111:1862 ->  222.222.222.222:5060
> ACK sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-8871cba456efbdcd-1---d8754z-;rport.
> Max-Forwards: 70.
> Route:<sip:222.222.222.222;lr;r2=on;ftag=b20de0d4>.
> Route:<sip:111.111.111.111:35446;r2=on;lr=on;ftag=b20de0d4>.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 ACK.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 222.222.222.222",response="ffb11f60ece5a99bde74a8ecd0d31ffa",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:39.226627 172.20.100.74:5060 ->  111.111.111.111:50350
> ACK sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bKcydzigwkX.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-8871cba456efbdcd-1---d8754z-;rport=1862.
> Max-Forwards: 69.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 ACK.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 222.222.222.222",response="ffb11f60ece5a99bde74a8ecd0d31ffa",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:41.190535 172.20.100.61:5060 ->  172.20.100.74:5060
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bK9a5c.71c78a75.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:11:41.190756 222.222.222.222:5060 ->  111.111.111.111:1862
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:11:41.228037 111.111.111.111:1862 ->  222.222.222.222:5060
> ACK sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-8871cba456efbdcd-1---d8754z-;rport.
> Max-Forwards: 70.
> Route:<sip:222.222.222.222;lr;r2=on;ftag=b20de0d4>.
> Route:<sip:111.111.111.111:35446;r2=on;lr=on;ftag=b20de0d4>.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 ACK.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 222.222.222.222",response="ffb11f60ece5a99bde74a8ecd0d31ffa",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:41.228334 172.20.100.74:5060 ->  111.111.111.111:50350
> ACK sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bKcydzigwkX.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-8871cba456efbdcd-1---d8754z-;rport=1862.
> Max-Forwards: 69.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 ACK.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 222.222.222.222",response="ffb11f60ece5a99bde74a8ecd0d31ffa",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:45.191673 172.20.100.61:5060 ->  172.20.100.74:5060
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bK9a5c.71c78a75.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:11:45.191794 172.20.100.74:5060 ->  111.111.111.111:1862
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:11:47.383023 111.111.111.111:1862 ->  222.222.222.222:5060
> BYE sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-78a6cdbd7b67534f-1---d8754z-;rport.
> Max-Forwards: 70.
> Route:<sip:222.222.222.222;lr;r2=on;ftag=b20de0d4>.
> Route:<sip:111.111.111.111:35446;r2=on;lr=on;ftag=b20de0d4>.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 3 BYE.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 172.20.100.61",response="da7cb73aad1d5cf2b9c42b1d69578c77",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:47.383313 172.20.100.74:5060 ->  111.111.111.111:50350
> BYE sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bKaa5c.ac657af.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-78a6cdbd7b67534f-1---d8754z-;rport=1862.
> Max-Forwards: 69.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 3 BYE.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 172.20.100.61",response="da7cb73aad1d5cf2b9c42b1d69578c77",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:47.873118 172.20.100.74:5060 ->  111.111.111.111:50350
> BYE sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bKaa5c.ac657af.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-78a6cdbd7b67534f-1---d8754z-;rport=1862.
> Max-Forwards: 69.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 3 BYE.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 172.20.100.61",response="da7cb73aad1d5cf2b9c42b1d69578c77",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:47.879461 111.111.111.111:1862 ->  222.222.222.222:5060
> BYE sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-78a6cdbd7b67534f-1---d8754z-;rport.
> Max-Forwards: 70.
> Route:<sip:222.222.222.222;lr;r2=on;ftag=b20de0d4>.
> Route:<sip:111.111.111.111:35446;r2=on;lr=on;ftag=b20de0d4>.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 3 BYE.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 172.20.100.61",response="da7cb73aad1d5cf2b9c42b1d69578c77",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:48.873114 172.20.100.74:5060 ->  111.111.111.111:50350
> BYE sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bKaa5c.ac657af.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-78a6cdbd7b67534f-1---d8754z-;rport=1862.
> Max-Forwards: 69.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 3 BYE.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 172.20.100.61",response="da7cb73aad1d5cf2b9c42b1d69578c77",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:48.879817 111.111.111.111:1862 ->  222.222.222.222:5060
> BYE sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-78a6cdbd7b67534f-1---d8754z-;rport.
> Max-Forwards: 70.
> Route:<sip:222.222.222.222;lr;r2=on;ftag=b20de0d4>.
> Route:<sip:111.111.111.111:35446;r2=on;lr=on;ftag=b20de0d4>.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 3 BYE.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 172.20.100.61",response="da7cb73aad1d5cf2b9c42b1d69578c77",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:49.214687 172.20.100.61:5060 ->  172.20.100.74:5060
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bK9a5c.71c78a75.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:11:49.214786 172.20.100.74:5060 ->  111.111.111.111:1862
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:11:49.408642 222.222.222.222:5060 ->  184.73.248.111:42889
> ....
>
> U 2012/04/03 09:11:50.873111 172.20.100.74:5060 ->  111.111.111.111:50350
> BYE sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bKaa5c.ac657af.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-78a6cdbd7b67534f-1---d8754z-;rport=1862.
> Max-Forwards: 69.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 3 BYE.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 172.20.100.61",response="da7cb73aad1d5cf2b9c42b1d69578c77",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:50.879209 111.111.111.111:1862 ->  222.222.222.222:5060
> BYE sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-78a6cdbd7b67534f-1---d8754z-;rport.
> Max-Forwards: 70.
> Route:<sip:222.222.222.222;lr;r2=on;ftag=b20de0d4>.
> Route:<sip:111.111.111.111:35446;r2=on;lr=on;ftag=b20de0d4>.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 3 BYE.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 172.20.100.61",response="da7cb73aad1d5cf2b9c42b1d69578c77",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:51.123116 111.111.111.111:1862 ->  222.222.222.222:5060
> .
> .
> ..............
>
> U 2012/04/03 09:11:53.215781 172.20.100.61:5060 ->  172.20.100.74:5060
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bK9a5c.71c78a75.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:11:53.215892 172.20.100.74:5060 ->  111.111.111.111:1862
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:11:54.873112 172.20.100.74:5060 ->  111.111.111.111:50350
> BYE sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bKaa5c.ac657af.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-78a6cdbd7b67534f-1---d8754z-;rport=1862.
> Max-Forwards: 69.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 3 BYE.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 172.20.100.61",response="da7cb73aad1d5cf2b9c42b1d69578c77",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:54.879908 111.111.111.111:1862 ->  222.222.222.222:5060
> BYE sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-78a6cdbd7b67534f-1---d8754z-;rport.
> Max-Forwards: 70.
> Route:<sip:222.222.222.222;lr;r2=on;ftag=b20de0d4>.
> Route:<sip:111.111.111.111:35446;r2=on;lr=on;ftag=b20de0d4>.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 3 BYE.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 172.20.100.61",response="da7cb73aad1d5cf2b9c42b1d69578c77",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:57.216932 172.20.100.61:5060 ->  172.20.100.74:5060
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bK9a5c.71c78a75.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:11:57.217186 172.20.100.74:5060 ->  111.111.111.111:1862
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:11:58.873115 172.20.100.74:5060 ->  111.111.111.111:50350
> BYE sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bKaa5c.ac657af.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-78a6cdbd7b67534f-1---d8754z-;rport=1862.
> Max-Forwards: 69.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 3 BYE.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 172.20.100.61",response="da7cb73aad1d5cf2b9c42b1d69578c77",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:11:58.880227 111.111.111.111:1862 ->  222.222.222.222:5060
> BYE sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-78a6cdbd7b67534f-1---d8754z-;rport.
> Max-Forwards: 70.
> Route:<sip:222.222.222.222;lr;r2=on;ftag=b20de0d4>.
> Route:<sip:111.111.111.111:35446;r2=on;lr=on;ftag=b20de0d4>.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 3 BYE.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 172.20.100.61",response="da7cb73aad1d5cf2b9c42b1d69578c77",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:12:01.233871 172.20.100.61:5060 ->  172.20.100.74:5060
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bK9a5c.71c78a75.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:12:01.234013 172.20.100.74:5060 ->  111.111.111.111:1862
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:12:02.873119 172.20.100.74:5060 ->  111.111.111.111:50350
> BYE sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bKaa5c.ac657af.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-78a6cdbd7b67534f-1---d8754z-;rport=1862.
> Max-Forwards: 69.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 3 BYE.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 172.20.100.61",response="da7cb73aad1d5cf2b9c42b1d69578c77",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:12:02.880004 111.111.111.111:1862 ->  222.222.222.222:5060
> BYE sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-78a6cdbd7b67534f-1---d8754z-;rport.
> Max-Forwards: 70.
> Route:<sip:222.222.222.222;lr;r2=on;ftag=b20de0d4>.
> Route:<sip:111.111.111.111:35446;r2=on;lr=on;ftag=b20de0d4>.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 3 BYE.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 172.20.100.61",response="da7cb73aad1d5cf2b9c42b1d69578c77",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:12:05.234992 172.20.100.61:5060 ->  172.20.100.74:5060
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bK9a5c.71c78a75.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:12:05.235244 172.20.100.74:5060 ->  111.111.111.111:1862
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:12:06.873115 172.20.100.74:5060 ->  111.111.111.111:50350
> BYE sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bKaa5c.ac657af.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-78a6cdbd7b67534f-1---d8754z-;rport=1862.
> Max-Forwards: 69.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 3 BYE.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 172.20.100.61",response="da7cb73aad1d5cf2b9c42b1d69578c77",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:12:06.879853 111.111.111.111:1862 ->  222.222.222.222:5060
> BYE sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-78a6cdbd7b67534f-1---d8754z-;rport.
> Max-Forwards: 70.
> Route:<sip:222.222.222.222;lr;r2=on;ftag=b20de0d4>.
> Route:<sip:111.111.111.111:35446;r2=on;lr=on;ftag=b20de0d4>.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 3 BYE.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 172.20.100.61",response="da7cb73aad1d5cf2b9c42b1d69578c77",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:12:09.233045 172.20.100.61:5060 ->  172.20.100.74:5060
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bK9a5c.71c78a75.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:12:09.233186 172.20.100.74:5060 ->  111.111.111.111:1862
> SIP/2.0 200 Ok.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;rport=1862;branch=z9hG4bK-d8754z-eb5e522e536eef78-1---d8754z-.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 2 INVITE.
> Content-Length: 182.
> Content-Type: application/sdp.
> Record-Route:<sip:172.20.100.74;r2=on;lr=on;ftag=b20de0d4>.
> Record-Route:<sip:222.222.222.222;r2=on;lr=on;ftag=b20de0d4>.
> Supported: replaces.
> Supported: 100rel.
> Allow: INVITE.
> Allow: ACK.
> Allow: BYE.
> Allow: CANCEL.
> Allow: OPTIONS.
> Allow: NOTIFY.
> Allow: REFER.
> Allow: PRACK.
> Allow: INFO.
> Allow: UPDATE.
> Contact:<sip:kalkbrenner at 172.20.100.61>.
> .
> v=0.
> o=aculab-F1A4D801 132722796 132722796 IN IP4 172.20.100.61.
> s=-.
> c=IN IP4 172.20.100.71.
> t=0 0.
> m=audio 19752 RTP/AVP 0 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
>
>
> U 2012/04/03 09:12:10.873117 172.20.100.74:5060 ->  111.111.111.111:50350
> BYE sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bKaa5c.ac657af.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-78a6cdbd7b67534f-1---d8754z-;rport=1862.
> Max-Forwards: 69.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 3 BYE.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 172.20.100.61",response="da7cb73aad1d5cf2b9c42b1d69578c77",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:12:10.880323 111.111.111.111:1862 ->  222.222.222.222:5060
> BYE sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-78a6cdbd7b67534f-1---d8754z-;rport.
> Max-Forwards: 70.
> Route:<sip:222.222.222.222;lr;r2=on;ftag=b20de0d4>.
> Route:<sip:111.111.111.111:35446;r2=on;lr=on;ftag=b20de0d4>.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 3 BYE.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 172.20.100.61",response="da7cb73aad1d5cf2b9c42b1d69578c77",algorithm=MD5.
> User-Agent: X-Lite 4 release 4.1 stamp 63214.
> Content-Length: 0.
> .
>
>
> U 2012/04/03 09:12:14.873104 172.20.100.74:5060 ->  111.111.111.111:50350
> BYE sip:kalkbrenner at 111.111.111.111:50350 SIP/2.0.
> Via: SIP/2.0/UDP 172.20.100.74;branch=z9hG4bKaa5c.ac657af.0.
> Via: SIP/2.0/UDP
> 111.111.111.111:1862;branch=z9hG4bK-d8754z-78a6cdbd7b67534f-1---d8754z-;rport=1862.
> Max-Forwards: 69.
> Contact:<sip:4horsmann at 111.111.111.111:1862>.
> To:<sip:kalkbrenner at 222.222.222.222>;tag=ds-64cb3b56-1225d1a0.
> From:<sip:4horsmann at 222.222.222.222>;tag=b20de0d4.
> Call-ID: NDhkZjkyMDUyNGE5NzA1YjA0ZTZiMTcwYjcyMTFlMGI..
> CSeq: 3 BYE.
> Proxy-Authorization: Digest
> username="4horsmann",realm="222.222.222.222",nonce="T3qj1E96oqiPKdTJdL8hDVDVtni2/3OR",uri="sip:kalkbrenner at 172.20.100.61",response="da7cb73aad1d5cf2b9c42b1d695
>
>

-- 
Daniel-Constantin Mierla
Kamailio Advanced Training, April 23-26, 2012, Berlin, Germany
http://www.asipto.com/index.php/kamailio-advanced-training/




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