[Freeswitch-users] Two calls with same call-id
Steven Ayre
steveayre at gmail.com
Mon Sep 16 16:51:13 UTC 2019
The SIP dialog is not identified by the Call-ID alone. From and To are also
part of the tuple.
So although they share a Call-ID the From and To headers are different,
therefore they are different SIP dialogs (calls).
On Fri, 13 Sep 2019 at 11:17, Dominique Jeannerod <
dominique.jeannerod at interactiv-group.com> wrote:
> Thanks, Brian,
>
> i think i have resolved my issue (a stupid FW ports issue ...), but still
> interested to understand if this call flow can lead to issues on Freeswitch
> (doesn't seem to be the case, as I really see freeswitch managing two
> independant calls).
> How can i send you a pcap ?
>
> Le jeu. 12 sept. 2019 à 19:27, Brian West <brian at freeswitch.com> a écrit :
>
>> Show me a pcap?
>>
>> On Tue, Sep 10, 2019 at 9:06 AM David Villasmil <
>> david.villasmil.work at gmail.com> wrote:
>>
>>> What do you mean exactly by “managed”?
>>>
>>> They are not the same call. Every time a call is created in FS, FS
>>> created a unique UUID, and that’s what is used by Fe to manage the call I
>>> question.
>>>
>>> So when you create an outbound call. It has an associated UUID, and when
>>> the same call is sent to you by the proxy, it created another UUID.
>>>
>>> You treat them as different calls altogether.
>>>
>>> On Tue, 10 Sep 2019 at 10:35, Dominique Jeannerod <
>>> dominique.jeannerod at interactiv-group.com> wrote:
>>>
>>>> Hi all,
>>>>
>>>> currently working to understand some calls without RTP (one-way audio,
>>>> or no audio at all), I noticed a strange case in our traces : we send an
>>>> outgoing call on a trunk. The destination number is translated to another
>>>> number, and the call comes back to our SBC (the new dest is on our network).
>>>> What i noticed is that the incoming call has the same call-id as our
>>>> outgoing call (I suppose that the other operator uses proxies rather than
>>>> SBCs), and it comes to the *same *freeswitch (has 2 IP addresses)
>>>>
>>>> So, wondering what could be the impact of that on our Freeswitch SBC.
>>>> Can those 2 calls be managed as one and only call by freeswitch ?
>>>>
>>>> Thanks with anticipation
>>>> Best regards,
>>>>
>>>> Dominique Jeannerod
>>>>
>>>> *Calls traces : *
>>>> *First call (outgoing) :* Our SBC IP1 -> External IP 1
>>>> INVITE sip:+<Dest number 1>@<External IP 1> SIP/2.0
>>>> Via: SIP/2.0/UDP <Our SBC IP 1>;rport;branch=z9hG4bKg6y1BXQ5ZvreF
>>>> Max-Forwards: 68
>>>> From: "Source num" <sip:+<Source Num>@< Our SBC IP 1>;tag=r8p71798metHN
>>>> To: <sip:+ <Dest number 1>@<External IP 1>
>>>>
>>>> *Call-ID: d3b11cd5-4a87-1238-068f-5254000db631*CSeq: 9292108 INVITE
>>>> Contact: <sip:gw+gwname@ <Our SBC IP 1>:5060;transport=udp;gw=gwname>
>>>> User-Agent: FreeSWITCH
>>>> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REFER,
>>>> NOTIFY
>>>> Supported: timer, path, replaces
>>>> Allow-Events: talk, hold, conference, refer
>>>> Session-Expires: 14400;refresher=uac
>>>> Min-SE: 120
>>>> Content-Type: application/sdp
>>>> Content-Disposition: session
>>>> Content-Length: 248
>>>> X-FS-Support: update_display,send_info
>>>> P-Asserted-Identity: "<PAI Display>" <sip:+<PAI Number>@ <Our SBC IP 1>
>>>> >
>>>> v=0
>>>> o=FreeSWITCH 1567668560 1567668561 IN IP4 <Our SBC IP 1>
>>>> s=FreeSWITCH
>>>> c=IN IP4 <Our SBC IP 1>
>>>> t=0 0
>>>> m=audio 23240 RTP/AVP 8 101 13
>>>> a=rtpmap:8 PCMA/8000
>>>> a=rtpmap:101 telephone-event/8000
>>>> a=fmtp:101 0-16
>>>> a=rtpmap:13 CN/8000
>>>> a=ptime:20
>>>>
>>>> SIP/2.0 200 OK
>>>> Via: SIP/2.0/UDP <Our SBC IP 1> ;received= <Our SBC IP 1>
>>>> ;rport=5060;branch=z9hG4bKg6y1BXQ5ZvreF
>>>> From: "Source num" <sip:+<Source Num>@< Our SBC IP 1>>;tag=r8p71798metHN
>>>> To: <sip:+3 Dest number 1>@<External IP 1>;tag=t25KQD4evZ2DF
>>>> Call-ID: d3b11cd5-4a87-1238-068f-5254000db631
>>>> CSeq: 9292108 INVITE
>>>> Contact: <sip:+<Dest number 1>@ <External IP 1>;did=4a5.72bd7e82>
>>>> User-Agent: FreeSWITCH
>>>> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REFER,
>>>> NOTIFY
>>>> Require: timer
>>>> Supported: timer, path, replaces
>>>> Allow-Events: talk, hold, conference, refer
>>>> Content-Type: application/sdp
>>>> Content-Disposition: session
>>>> Content-Length: 247
>>>> X-FS-Display-Name: Outbound Call
>>>> X-FS-Display-Number: sip: <Dest number 1>@<domain>
>>>> X-FS-Support: update_display,send_info
>>>> v=0
>>>> o=FreeSWITCH 1567660096 1567660097 IN IP4 <Our SBC IP 2>
>>>> s=FreeSWITCH
>>>> c=IN IP4 <External RTP IP 1>
>>>> t=0 0
>>>> m=audio 58152 RTP/AVP 8 101 13
>>>> a=rtpmap:8 PCMA/8000
>>>> a=rtpmap:101 telephone-event/8000
>>>> a=fmtp:101 0-16
>>>> a=rtpmap:13 CN/8000
>>>> a=ptime:20
>>>>
>>>> *Second call (Incoming) :* External IP2 -> Our SBC IP 2
>>>> INVITE sip:+<Dest number 2>@<Our SBC IP 2>:5060;user=phone SIP/2.0
>>>> Via: SIP/2.0/UDP <External IP 2>:5060;branch=z9hG4bK446.1e47ee86.0
>>>> Max-Forwards: 62
>>>> From: "Source num" <sip:+<Source
>>>> Num>@<domain>;user=phone>;tag=r8p71798metHN
>>>> To: <sip:+<Dest number 2>@<domain>;user=phone>
>>>>
>>>> *Call-ID: d3b11cd5-4a87-1238-068f-5254000db631*CSeq: 9292108 INVITE
>>>> Contact: <sip:gw+<gwname>@<External IP 2>;did=4a5.e4c51b72>
>>>> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REFER,
>>>> NOTIFY
>>>> Supported: timer, path, replaces
>>>> Allow-Events: talk, hold, conference, refer
>>>> Session-Expires: 14400;refresher=uac
>>>> Min-SE: 120
>>>> Content-Type: application/sdp
>>>> Content-Disposition: session
>>>> Content-Length: 247
>>>> X-FS-Support: update_display,send_info
>>>> P-Asserted-Identity: "<PAI Display>" <sip:+<PAI
>>>> Number>@<domain>;user=phone>
>>>> v=0
>>>> o=FreeSWITCH 1567668560 1567668561 IN IP4 <Our SBC IP 1>
>>>> s=FreeSWITCH
>>>> c=IN IP4 <External RTP IP 2>
>>>> t=0 0
>>>> m=audio 56204 RTP/AVP 8 101 13
>>>> a=rtpmap:8 PCMA/8000
>>>> a=rtpmap:101 telephone-event/8000
>>>> a=fmtp:101 0-16
>>>> a=rtpmap:13 CN/8000
>>>> a=ptime:20
>>>>
>>>> SIP/2.0 200 OK
>>>> Via: SIP/2.0/UDP <External IP 2>:5060;branch=z9hG4bK446.1e47ee86.0
>>>> From: "Source num" <sip:+<Source
>>>> Num>@<domain>;user=phone>;tag=r8p71798metHN
>>>> To: <sip:+<Dest number 2>@<domain>;user=phone>;tag=t25KQD4evZ2DF
>>>> Call-ID: d3b11cd5-4a87-1238-068f-5254000db631
>>>> CSeq: 9292108 INVITE
>>>> Contact: <sip:+<Dest num 2>@>Our SBC IP 2>:5060;transport=udp>
>>>> User-Agent: FreeSWITCH
>>>> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REFER,
>>>> NOTIFY
>>>> Require: timer
>>>> Supported: timer, path, replaces
>>>> Allow-Events: talk, hold, conference, refer
>>>> Session-Expires: 14400;refresher=uac
>>>> Content-Type: application/sdp
>>>> Content-Disposition: session
>>>> Content-Length: 248
>>>> X-FS-Display-Name: Outbound Call
>>>> X-FS-Display-Number: sip:<Dest number 2>@keyyo.net
>>>> X-FS-Support: update_display,send_info
>>>> P-Asserted-Identity: "Outbound Call" <sip:<Dest number 2>@<domain>>
>>>> v=0
>>>> o=FreeSWITCH 1567660096 1567660097 IN IP4 <Our SBC IP 2>
>>>> s=FreeSWITCH
>>>> c=IN IP4 <Our SBC IP 2>
>>>> t=0 0
>>>> m=audio 31704 RTP/AVP 8 101 13
>>>> a=rtpmap:8 PCMA/8000
>>>> a=rtpmap:101 telephone-event/8000
>>>> a=fmtp:101 0-16
>>>> a=rtpmap:13 CN/8000
>>>> a=ptime:20
>>>>
>>>>
>>>> Ce message et toutes les pièces jointes (ci-après le “message”) sont
>>>> établis à l’intention exclusive de ses destinataires et sont confidentiels.
>>>> Si vous recevez ce message par erreur, merci de le détruire et d’en avertir
>>>> immédiatement l’expéditeur. Toute utilisation de ce message non conforme a
>>>> sa destination, toute diffusion ou toute publication, totale ou partielle,
>>>> est interdite, sauf autorisation expresse. L’internet ne permettant pas
>>>> d’assurer l’intégrité de ce message . Interactiv-group (et ses filiales)
>>>> décline(nt) toute responsabilité au titre de ce message, dans l’hypothèse
>>>> ou il aurait été modifié. IT, ES, UK.
>>>> <https://interactiv-group.com/disclaimer.html>
>>>>
>>>> _________________________________________________________________________
>>>>
>>>> The FreeSWITCH project is sponsored by SignalWire
>>>> https://signalwire.com
>>>> Enhance your FreeSWITCH install with disruptive priced SMS and PSTN
>>>> services.
>>>> Build your next product on our scalable cloud platform.
>>>>
>>>> Join our online community to chat in real time
>>>> https://signalwire.community
>>>>
>>>> Professional FreeSWITCH Services
>>>> sales at freeswitch.com
>>>> https://freeswitch.com
>>>>
>>>> Official FreeSWITCH Sites
>>>> https://freeswitch.com/oss
>>>> https://freeswitch.org/confluence
>>>> https://cluecon.com
>>>>
>>>> FreeSWITCH-users mailing list
>>>> FreeSWITCH-users at lists.freeswitch.org
>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>> UNSUBSCRIBE:
>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>> https://freeswitch.com
>>>
>>> --
>>> Regards,
>>>
>>> David Villasmil
>>> email: david.villasmil.work at gmail.com
>>> phone: +34669448337
>>> _________________________________________________________________________
>>>
>>> The FreeSWITCH project is sponsored by SignalWire https://signalwire.com
>>> Enhance your FreeSWITCH install with disruptive priced SMS and PSTN
>>> services.
>>> Build your next product on our scalable cloud platform.
>>>
>>> Join our online community to chat in real time
>>> https://signalwire.community
>>>
>>> Professional FreeSWITCH Services
>>> sales at freeswitch.com
>>> https://freeswitch.com
>>>
>>> Official FreeSWITCH Sites
>>> https://freeswitch.com/oss
>>> https://freeswitch.org/confluence
>>> https://cluecon.com
>>>
>>> FreeSWITCH-users mailing list
>>> FreeSWITCH-users at lists.freeswitch.org
>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>>> https://freeswitch.com
>>
>>
>>
>> --
>>
>> Brian West | Co-founder and Developer
>>
>> Need Commercial support? email sales at freeswitch.com
>>
>> FreeSWITCH Solutions | 17345 Civic Drive #2531 Brookfield, WI 53045
>> <https://maps.google.com/?q=17345+Civic+Drive+%232531+Brookfield,+WI+53045&entry=gmail&source=g>
>>
>> Email: brian at freeswitch.com
>>
>> Mobile: 918-424-9378
>>
>> Website: https://www.FreeSWITCH.com <https://www.freeswitch.com/>
>>
>> [image: https://www.facebook.com/signalwireinc?src=email]
>> <https://www.facebook.com/freeswitch> [image:
>> https://twitter.com/freeswitch] <https://twitter.com/freeswitch>
>> _________________________________________________________________________
>>
>> The FreeSWITCH project is sponsored by SignalWire https://signalwire.com
>> Enhance your FreeSWITCH install with disruptive priced SMS and PSTN
>> services.
>> Build your next product on our scalable cloud platform.
>>
>> Join our online community to chat in real time
>> https://signalwire.community
>>
>> Professional FreeSWITCH Services
>> sales at freeswitch.com
>> https://freeswitch.com
>>
>> Official FreeSWITCH Sites
>> https://freeswitch.com/oss
>> https://freeswitch.org/confluence
>> https://cluecon.com
>>
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> https://freeswitch.com
>
>
> Ce message et toutes les pièces jointes (ci-après le “message”) sont
> établis à l’intention exclusive de ses destinataires et sont confidentiels.
> Si vous recevez ce message par erreur, merci de le détruire et d’en avertir
> immédiatement l’expéditeur. Toute utilisation de ce message non conforme a
> sa destination, toute diffusion ou toute publication, totale ou partielle,
> est interdite, sauf autorisation expresse. L’internet ne permettant pas
> d’assurer l’intégrité de ce message . Interactiv-group (et ses filiales)
> décline(nt) toute responsabilité au titre de ce message, dans l’hypothèse
> ou il aurait été modifié. IT, ES, UK.
> <https://interactiv-group.com/disclaimer.html>
> _________________________________________________________________________
>
> The FreeSWITCH project is sponsored by SignalWire https://signalwire.com
> Enhance your FreeSWITCH install with disruptive priced SMS and PSTN
> services.
> Build your next product on our scalable cloud platform.
>
> Join our online community to chat in real time
> https://signalwire.community
>
> Professional FreeSWITCH Services
> sales at freeswitch.com
> https://freeswitch.com
>
> Official FreeSWITCH Sites
> https://freeswitch.com/oss
> https://freeswitch.org/confluence
> https://cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> https://freeswitch.com
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