[Spce-user] Malformed re-invite

Wed Dec 16 05:53:10 EST 2015

You increased the MTU?!
Good luck down the road...
Em 16/12/2015 10:44, "Boštjan Štros" <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 -> 127.0.0.1:5060
>> INVITE sip:38682280015 at 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
>> >;tag=71035B18-5666C668000395A7-56FEF700'
>> To: <sip:38682280015 at 188.40.66.75>;tag=as771e8823'
>> CSeq: 11 INVITE'
>> Call-ID: 5289233512da160f06fea9f86a82b954 at 188.40.66.75'
>> Contact: <sip:386981112341031 at 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>,
>> <sip:77.94.133.244;r2=on;lr=on;ftag=as771e8823;ngcplb=yes;socket=udp:
>> 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 -> 188.40.66.75:5060
>> INVITE sip:38682280015 at 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>'
>> Record-Route:
>>
>> <sip:127.0.0.1;r2=on;lr=on;ftag=71035B18-5666C668000395A7-56FEF700;ngcplb=yes;socket=udp:
>> 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
>> >;tag=71035B18-5666C668000395A7-56FEF700'
>> To: <sip:38682280015 at 188.40.66.75>;tag=as771e8823'
>> CSeq: 11 INVITE'
>> Call-ID: 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
>> :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 -> 127.0.0.1:5060
>> INVITE sip:38682280015 at 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
>> >;tag=71035B18-5666C668000395A7-56FEF700'
>> To: <sip:38682280015 at 188.40.66.75>;tag=as771e8823'
>> CSeq: 11 INVITE'
>> Call-ID: 5289233512da160f06fea9f86a82b954 at 188.40.66.75'
>> Contact: <sip:386981112341031 at 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>,
>> <sip:77.94.133.244;r2=on;lr=on;ftag=as771e8823;ngcplb=yes;socket=udp:
>> 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 -> 188.40.66.75:5060
>> INVITE sip:38682280015 at 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>'
>> Record-Route:
>>
>> <sip:127.0.0.1;r2=on;lr=on;ftag=71035B18-5666C668000395A7-56FEF700;ngcplb=yes;socket=udp:
>> 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
>> >;tag=71035B18-5666C668000395A7-56FEF700'
>> To: <sip:38682280015 at 188.40.66.75>;tag=as771e8823'
>> CSeq: 11 INVITE'
>> Call-ID: 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
>> :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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