[SR-Users] truncating sip message
Andres
andres at telesip.net
Fri Apr 8 13:40:06 CEST 2016
On 4/8/16 5:27 AM, ycaner wrote:
> Hello Daniel;
> source and destination is different machines and ips. they are
> sniffed by tshark and they are the same and truncated.
Maybe they are not truncated by rather fragmented. If you are capturing
packets by UDP Port you will not see the fragments. Try to capture
again by IP only and you will see all packets.
> i tried to remove all extra addes , include Record-Route and send
> messsage , no truncate. and then started to add headers and BOOM.
> after 5 headers , it is truncated. configuration become simple to
> testing one by one. i couldnt find way to solve it.
> i tried to sniff with tcpdump and sdp body result here , truncated.;
>
>
>
> Call Flows ---
>
> UAC1 --> Kamailio1--->kamailio2-->UAC2 --truncated sdp body
>
> UAC1 --> Kamailio2--->UAC2 --No problem
>
>
>
>
> Destination ip tcpdump:
>
> host-kamailio2ip.sip-tls > uac2ip.sip: SIP, length: 1472
> INVITE sip:1021uac2num at uac2ip:5060 SIP/2.0
> Via: SIP/2.0/UDP
> kamailio2ip:5061;branch=z9hG4bK61c7.f5edc3dbd9effe58f3d04a6b77b11f13.0
> Via: SIP/2.0/UDP
> kamailio1:5061;rport=5061;branch=z9hG4bK61c7.189d12e4e39ec53abb760692e8a8afee.0
> Via: SIP/2.0/UDP
> 192.168.0.225:10251;received=uac1ip;branch=z9hG4bK702835784163333;rport=17762
> From: uac1 <sip:uac1 at kamailio1:5061>;tag=1848614912
> To: "0uac2num" <sip:0uac2num at kamailio1;user=phone>
> Call-ID: 228601536217236-500684316713 at uac1ip
> CSeq: 2 INVITE
> Contact: <sip:uac1 at uac1ip:17762>
> Proxy-Authorization: Digest username="uac1",
> realm="kamailio1", nonce="Vwd5PlcHeBLSAh0pqSU3AvKzvNAD+QGC",
> uri="sip:0uac2num at kamailio1;user=phone",
> response="d296105a65958144cf1b60c921aef11b", algorithm=MD5
> Max-Forwards: 68
> Supported: replaces, join, path
> User-Agent: Fanvil C58/C58P 2.2.41.13
> Allow: INVITE, ACK, OPTIONS, BYE, CANCEL, REFER, NOTIFY, INFO,
> PRACK, UPDATE, MESSAGE
> Content-Type: application/sdp
> Content-Length: 276
> P-Provider:kamailio1
> P-Unique:srid-5707759b-29c4-1
> atik:1231345123
> atik2:1231345123
> atik3:1231345123
> atik4:1231345123
> atik5:1231345123
>
> v=0
> o=8503027337 2007313085 1038110647 IN IP4 192.168.0.225
> s=A conversation
> c=IN IP4 192.168.0.225
> t=0 0
> m=audio 10208 RTP/AVP 8 0 18 101
> a=rtpmap:8 PCMA/8000
> a=rtpmap:0 PCMU/8000
> a=rtpmap:18 G729/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:1[|sip]
>
>
>
> 08.04.2016 12:03 tarihinde Daniel-Constantin Mierla-6 [via SIP Router]
> yazdı:
>> Hello,
>>
>> how did you asserted the fact that the message is truncated? Is the
>> next SIP hop not retrieving it with full content? Or just you looked
>> at some traces on the net, if this one, note that some network
>> sniffing tools are having their limitations in what they display.
>>
>> Daniel
>>
>> On 08/04/16 09:30, ycaner wrote:
>>> Hello Daniel;
>>>
>>> in request route when invite comes, a header is added like
>>> P-SrcUserid. when i added new header , it truncate sdpbody. before
>>> t_relay(), i try to remove header, and it didnt. main problem is why
>>> truncates sdpbody when i added new header?
>>>
>>> Thanks.
>>>
>>>
>>> Works fine sip messages: http://pastebin.com/t7v9c2vW
>>> removes coming headers cfg,but i couldnt remove P-Provider and
>>> P-Uniqueid :http://pastebin.com/9tB7Lx3U
>>>
>>> truncateting sip message : http://pastebin.com/DNuuJxhM
>>>
>>> removes coming headers cfg,but i couldnt remove P-Provider and
>>> P-Uniqueid and added P-SrcUserid : http://pastebin.com/XxhcV55v
>>>
>>> 08.04.2016 09:22 tarihinde Daniel-Constantin Mierla-6 [via SIP
>>> Router] yazdı:
>>>> Hello,
>>>>
>>>> On 08/04/16 08:06, ycaner wrote:
>>>> > Hello;
>>>> > i think i found problem. it is textops module.Appending new
>>>> header doesnt
>>>> > increase content length. in addition , remove_hf doesnt work
>>>> correctly that
>>>> > doesnt remove headers.
>>>> >
>>>> the value of content lenght is about the body size, it is not affected
>>>> by new headers or removing old headers.
>>>>
>>>> What do you mean by remove_hf() is not working? How you try it? Can
>>>> you
>>>> send here how you use remove_hf() in config and the incoming, plus the
>>>> outgoing sip message?
>>>>
>>>> Cheers,
>>>> Daniel
>>>>
>>>> --
>>>> Daniel-Constantin Mierla
>>>> http://www.asipto.com
>>>> http://twitter.com/#!/miconda <http://twitter.com/#%21/miconda> -
>>>> http://www.linkedin.com/in/miconda
>>>> Kamailio World Conference, Berlin, May 18-20, 2016 -
>>>> http://www.kamailioworld.com
>>>>
>>>>
>>>> _______________________________________________
>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing
>>>> list
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>>>>
>>>>
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>>>
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>>> <http://www.netgsm.com.tr>
>>>
>>> ------------------------------------------------------------------------
>>> View this message in context: Re: truncating sip message
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>>
>> --
>> Daniel-Constantin Mierla
>> http://www.asipto.com
>> http://twitter.com/#!/miconda -http://www.linkedin.com/in/miconda
>> Kamailio World Conference, Berlin, May 18-20, 2016 -http://www.kamailioworld.com
>>
>> _______________________________________________
>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>> [hidden email] </user/SendEmail.jtp?type=node&node=147343&i=1>
>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>
>>
>> ------------------------------------------------------------------------
>> If you reply to this email, your message will be added to the
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>>
>> To unsubscribe from truncating sip message, click here.
>> NAML
>> <http://sip-router.1086192.n5.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml>
>>
>
> --
> <http://www.netgsm.com.tr>
>
> ------------------------------------------------------------------------
> View this message in context: Re: truncating sip message
> <http://sip-router.1086192.n5.nabble.com/truncating-sip-message-tp147332p147348.html>
> Sent from the Users mailing list archive
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>
>
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--
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