[Spce-user] Malformed re-invite
Daniel Grotti
dgrotti at sipwise.com
Wed Dec 16 05:55:39 EST 2015
You should be able to re-build the fragmented packet on the end side.
If not, please use TCP.
Increasing MTU is not a good choice.
--
Daniel Grotti
VoIP Engineer
Sipwise GmbH
Europaring F15 | 2345 Brunn am Gebirge, Austria | www.sipwise.com
On 12/16/2015 11:53 AM, Marco Teixeira wrote:
> You increased the MTU?!
> Good luck down the road...
>
> Em 16/12/2015 10:44, "Boštjan Štros" <bostjan at alstar.si
> <mailto:bostjan at alstar.si>> escreveu:
>
> Looks like it's an MTU issue yes, the packed is bigger then 1500
> bytes so we had to increase the MTU, that solved the problem.
>
> Thank you for your feedback,
> Bostjan
>
>
> Boštjan Štros je 15. 12. 2015 ob 12:22 napisal:
>
> Hello all,
>
> we have a problem with re-invites passing through sipwise during a
> call, kamailio-proxy sends out correct packet, but kamailio-lb seems
> like it cuts out a few characters in the end and therefore it
> does not
> get recognized and replied in PBX, the packet is also not visible in
> wireshark. I don't see any errors in kamailio-lb logs though. What
> could be the cause of that?
>
> Here's a ngrep-sip of the re-invite:
>
> U 2015/12/08 13:01:13.253868 127.0.0.1:5062
> <http://127.0.0.1:5062> -> 127.0.0.1:5060 <http://127.0.0.1:5060>
> INVITE sip:38682280015 at 188.40.66.75:5060
> <http://sip:38682280015@188.40.66.75:5060> SIP/2.0'
> Max-Forwards: 10'
> Record-Route:
> <sip:127.0.0.1:5062;lr=on;ftag=71035B18-5666C668000395A7-56FEF700;rtpprx=yes;ice_caller=strip;ice_callee=strip;mpd=ii>'
> Via: SIP/2.0/UDP
> 127.0.0.1:5062;branch=z9hG4bK81db.432378edfe05dd0c2fa51462d323c8d6.0'
> Via: SIP/2.0/UDP 127.0.0.1:5080;branch=z9hG4bK1PPKiaWn;rport=5080'
> From:
> <sip:38612341031 at voip.alstar.si:5060
> <http://sip:38612341031@voip.alstar.si:5060>>;tag=71035B18-5666C668000395A7-56FEF700'
> To: <sip:38682280015 at 188.40.66.75
> <mailto:sip%3A38682280015 at 188.40.66.75>>;tag=as771e8823'
> CSeq: 11 INVITE'
> Call-ID: 5289233512da160f06fea9f86a82b954 at 188.40.66.75
> <mailto:5289233512da160f06fea9f86a82b954 at 188.40.66.75>'
> Contact: <sip:386981112341031 at 127.0.0.1:5080
> <http://sip:386981112341031@127.0.0.1:5080>>'
> Route:
> <sip:127.0.0.1;r2=on;lr=on;ftag=as771e8823;ngcplb=yes;socket=udp:77.94.133.244:5060
> <http://77.94.133.244:5060>>,
> <sip:77.94.133.244;r2=on;lr=on;ftag=as771e8823;ngcplb=yes;socket=udp:77.94.133.244:5060
> <http://77.94.133.244:5060>>,
> <sip:188.40.66.75;lr=on;ftag=as771e8823;did=5e4.283b507>'
> User-Agent: BN4000-3.3.1 '
> Supported: timer, 100rel'
> Allow: INVITE,CANCEL,ACK,BYE,OPTIONS,INFO,PRACK,UPDATE,REFER,NOTIFY'
> Content-Type: application/sdp'
> Content-Length: 238'
> '
> v=0'
> o=BN4000 3136201 7227637 IN IP4 77.94.133.244'
> s=-'
> c=IN IP4 77.94.133.244'
> b=AS:64'
> t=0 0'
> m=audio 35292 RTP/AVP 8 101'
> a=rtpmap:8 PCMA/8000'
> a=rtpmap:101 telephone-event/8000'
> a=fmtp:101 0-15'
> a=ptime:20'
> a=sendrecv'
> a=rtcp:35293'
>
>
> U 2015/12/08 13:01:13.254284 77.94.133.244:5060
> <http://77.94.133.244:5060> -> 188.40.66.75:5060
> <http://188.40.66.75:5060>
> INVITE sip:38682280015 at 188.40.66.75:5060
> <http://sip:38682280015@188.40.66.75:5060> SIP/2.0'
> Record-Route:
> <sip:77.94.133.244;r2=on;lr=on;ftag=71035B18-5666C668000395A7-56FEF700;ngcplb=yes;socket=udp:77.94.133.244:5060
> <http://77.94.133.244:5060>>'
> Record-Route:
> <sip:127.0.0.1;r2=on;lr=on;ftag=71035B18-5666C668000395A7-56FEF700;ngcplb=yes;socket=udp:77.94.133.244:5060
> <http://77.94.133.244:5060>>'
> Max-Forwards: 9'
> Record-Route:
> <sip:127.0.0.1:5062;lr=on;ftag=71035B18-5666C668000395A7-56FEF700;rtpprx=yes;ice_caller=strip;ice_callee=strip;mpd=ii>'
> Via: SIP/2.0/UDP
> 77.94.133.244;branch=z9hG4bK81db.a36a40d807fa8c2ed52fdda936aceb38.0'
> Via: SIP/2.0/UDP
> 127.0.0.1:5062;rport=5062;branch=z9hG4bK81db.432378edfe05dd0c2fa51462d323c8d6.0'
> Via: SIP/2.0/UDP 127.0.0.1:5080;branch=z9hG4bK1PPKiaWn;rport=5080'
> From:
> <sip:38612341031 at voip.alstar.si:5060
> <http://sip:38612341031@voip.alstar.si:5060>>;tag=71035B18-5666C668000395A7-56FEF700'
> To: <sip:38682280015 at 188.40.66.75
> <mailto:sip%3A38682280015 at 188.40.66.75>>;tag=as771e8823'
> CSeq: 11 INVITE'
> Call-ID: 5289233512da160f06fea9f86a82b954 at 188.40.66.75
> <mailto:5289233512da160f06fea9f86a82b954 at 188.40.66.75>'
> Route: <sip:188.40.66.75;lr=on;ftag=as771e8823;did=5e4.283b507>'
> User-Agent: BN4000-3.3.1 '
> Supported: timer, 100rel'
> Allow: INVITE,CANCEL,ACK,BYE,OPTIONS,INFO,PRACK,UPDATE,REFER,NOTIFY'
> Content-Type: application/sdp'
> Content-Length: 238'
> Contact:
> <sip:ngcp-lb at 77.94.133.244
> <mailto:sip%3Angcp-lb at 77.94.133.244>:5060;ngcpct=7369703a3132372e302e302e313a35303830>'
> '
> v=0'
> o=BN4000 3136201 7227637 IN IP4 77.94.133.244'
> s=-'
> c=IN IP4 77.94.133.244'
> b=AS:64'
> t=0 0'
> m=audio 35292 RTP/AVP 8 101'
> a=rtpmap:8 PCMA/8000'
> a=rtpmap:101 telephone-event/8000'
> a=fmtp:101 0-15'
> a=ptime:20'
> a=sendrecv'
> a=rtcp:
>
> U 2015/12/08 13:01:13.719199 127.0.0.1:5062
> <http://127.0.0.1:5062> -> 127.0.0.1:5060 <http://127.0.0.1:5060>
> INVITE sip:38682280015 at 188.40.66.75:5060
> <http://sip:38682280015@188.40.66.75:5060> SIP/2.0'
> Max-Forwards: 10'
> Record-Route:
> <sip:127.0.0.1:5062;lr=on;ftag=71035B18-5666C668000395A7-56FEF700;rtpprx=yes;ice_caller=strip;ice_callee=strip;mpd=ii>'
> Via: SIP/2.0/UDP
> 127.0.0.1:5062;branch=z9hG4bK81db.432378edfe05dd0c2fa51462d323c8d6.0'
> Via: SIP/2.0/UDP 127.0.0.1:5080;branch=z9hG4bK1PPKiaWn;rport=5080'
> From:
> <sip:38612341031 at voip.alstar.si:5060
> <http://sip:38612341031@voip.alstar.si:5060>>;tag=71035B18-5666C668000395A7-56FEF700'
> To: <sip:38682280015 at 188.40.66.75
> <mailto:sip%3A38682280015 at 188.40.66.75>>;tag=as771e8823'
> CSeq: 11 INVITE'
> Call-ID: 5289233512da160f06fea9f86a82b954 at 188.40.66.75
> <mailto:5289233512da160f06fea9f86a82b954 at 188.40.66.75>'
> Contact: <sip:386981112341031 at 127.0.0.1:5080
> <http://sip:386981112341031@127.0.0.1:5080>>'
> Route:
> <sip:127.0.0.1;r2=on;lr=on;ftag=as771e8823;ngcplb=yes;socket=udp:77.94.133.244:5060
> <http://77.94.133.244:5060>>,
> <sip:77.94.133.244;r2=on;lr=on;ftag=as771e8823;ngcplb=yes;socket=udp:77.94.133.244:5060
> <http://77.94.133.244:5060>>,
> <sip:188.40.66.75;lr=on;ftag=as771e8823;did=5e4.283b507>'
> User-Agent: BN4000-3.3.1 '
> Supported: timer, 100rel'
> Allow: INVITE,CANCEL,ACK,BYE,OPTIONS,INFO,PRACK,UPDATE,REFER,NOTIFY'
> Content-Type: application/sdp'
> Content-Length: 238'
> '
> v=0'
> o=BN4000 3136201 7227637 IN IP4 77.94.133.244'
> s=-'
> c=IN IP4 77.94.133.244'
> b=AS:64'
> t=0 0'
> m=audio 35292 RTP/AVP 8 101'
> a=rtpmap:8 PCMA/8000'
> a=rtpmap:101 telephone-event/8000'
> a=fmtp:101 0-15'
> a=ptime:20'
> a=sendrecv'
> a=rtcp:35293'
>
>
> U 2015/12/08 13:01:13.719615 77.94.133.244:5060
> <http://77.94.133.244:5060> -> 188.40.66.75:5060
> <http://188.40.66.75:5060>
> INVITE sip:38682280015 at 188.40.66.75:5060
> <http://sip:38682280015@188.40.66.75:5060> SIP/2.0'
> Record-Route:
> <sip:77.94.133.244;r2=on;lr=on;ftag=71035B18-5666C668000395A7-56FEF700;ngcplb=yes;socket=udp:77.94.133.244:5060
> <http://77.94.133.244:5060>>'
> Record-Route:
> <sip:127.0.0.1;r2=on;lr=on;ftag=71035B18-5666C668000395A7-56FEF700;ngcplb=yes;socket=udp:77.94.133.244:5060
> <http://77.94.133.244:5060>>'
> Max-Forwards: 9'
> Record-Route:
> <sip:127.0.0.1:5062;lr=on;ftag=71035B18-5666C668000395A7-56FEF700;rtpprx=yes;ice_caller=strip;ice_callee=strip;mpd=ii>'
> Via: SIP/2.0/UDP
> 77.94.133.244;branch=z9hG4bK81db.a36a40d807fa8c2ed52fdda936aceb38.0'
> Via: SIP/2.0/UDP
> 127.0.0.1:5062;rport=5062;branch=z9hG4bK81db.432378edfe05dd0c2fa51462d323c8d6.0'
> Via: SIP/2.0/UDP 127.0.0.1:5080;branch=z9hG4bK1PPKiaWn;rport=5080'
> From:
> <sip:38612341031 at voip.alstar.si:5060
> <http://sip:38612341031@voip.alstar.si:5060>>;tag=71035B18-5666C668000395A7-56FEF700'
> To: <sip:38682280015 at 188.40.66.75
> <mailto:sip%3A38682280015 at 188.40.66.75>>;tag=as771e8823'
> CSeq: 11 INVITE'
> Call-ID: 5289233512da160f06fea9f86a82b954 at 188.40.66.75
> <mailto:5289233512da160f06fea9f86a82b954 at 188.40.66.75>'
> Route: <sip:188.40.66.75;lr=on;ftag=as771e8823;did=5e4.283b507>'
> User-Agent: BN4000-3.3.1 '
> Supported: timer, 100rel'
> Allow: INVITE,CANCEL,ACK,BYE,OPTIONS,INFO,PRACK,UPDATE,REFER,NOTIFY'
> Content-Type: application/sdp'
> Content-Length: 238'
> Contact:
> <sip:ngcp-lb at 77.94.133.244
> <mailto:sip%3Angcp-lb at 77.94.133.244>:5060;ngcpct=7369703a3132372e302e302e313a35303830>'
> '
> v=0'
> o=BN4000 3136201 7227637 IN IP4 77.94.133.244'
> s=-'
> c=IN IP4 77.94.133.244'
> b=AS:64'
> t=0 0'
> m=audio 35292 RTP/AVP 8 101'
> a=rtpmap:8 PCMA/8000'
> a=rtpmap:101 telephone-event/8000'
> a=fmtp:101 0-15'
> a=ptime:20'
> a=sendrecv'
> a=rtcp:
>
>
>
> Thank you for reply and best regards,
> Bostjan
>
>
>
>
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