[SR-Users] [SIP Transaction] Handle Cancel message
Daniel-Constantin Mierla
miconda at gmail.com
Mon Mar 20 14:20:46 CET 2017
Hello,
I have been traveling lately and didn't get a chance yet to analyze. This
week I am out of the office as well, but I will try to look at pcap trace
when I get a bit of spare time.
Cheers,
Daniel
On Mon, Mar 20, 2017 at 2:07 PM, Hai Bui Duc Ha <hai.bui at htklabs.com> wrote:
> Hi Daniel,
>
> Do you have any ideas for this issue ?
>
> Regards,
> Hai Bui
>
> On Mon, Mar 13, 2017 at 5:41 PM, Hai Bui Duc Ha <hai.bui at htklabs.com>
> wrote:
>
>> Hi Daniel,
>>
>> I send you pcap files.
>> Please take a look.
>>
>> Regards,
>> Hai Bui
>>
>> On Sun, Mar 12, 2017 at 9:39 AM, Hai Bui Duc Ha <hai.bui at htklabs.com>
>> wrote:
>>
>>> Hi Daniel,
>>>
>>> Sorry about this inconvenience.
>>> I will update you later.
>>>
>>> Regards,
>>> Hai Bui
>>>
>>> On Fri, Mar 10, 2017 at 7:47 PM, Daniel-Constantin Mierla <
>>> miconda at gmail.com> wrote:
>>>
>>>> Hello,
>>>>
>>>> the pcap files don't show much when I open them, maybe the email
>>>> servers/clients corrupted the enconding, as I faced similar issues in the
>>>> past -- can you make a tgz archive and resend them?
>>>>
>>>> Cheers,
>>>> Daniel
>>>>
>>>> On 10/03/2017 04:49, Hai Bui Duc Ha wrote:
>>>>
>>>> Hi Daniel,
>>>>
>>>> I send you 2 files pcap, capture on server side.
>>>> + Server: 192.168.1.77
>>>> + Client: 192.168.1.134
>>>> + Scenario:
>>>> User 102 call to ring group 777 - has user 100 (192.168.1.134) and
>>>> user 101 (192.168.1.164).
>>>> User 100 is offline but it's configured push notification from Apple
>>>> to wake up, register and receive INVITE.
>>>> I pick up phone on 101 but 100 can not receive the CANCEL message to
>>>> stop the ringing tone.
>>>>
>>>> 1) Pusher_ok.pcap: User 100 can revice the CANCEL message.
>>>> 2) Pusher_failed.pcap: As I told above, when user 101 pick up the
>>>> phone, Freeswitch send CANCEL message to user 100. But when message go to
>>>> Kamailio, Kamailio reply 481 - Call leg/transaction does not exist. (I
>>>> can't capture this packets).
>>>> I also include the log on Freeswitch send CANCEL message and revice the
>>>> 481.
>>>>
>>>> Kamailio doesn't send 481 from the C code in the case of call, it
>>>> either receives it or it is something in config.
>>>> => This is configure on kamailio: default.cfg, it check
>>>> *t_check_trans()*
>>>> =======================================================
>>>> *route[PREPARE_INITIAL_REQUESTS]*
>>>> *{*
>>>> * if (is_method("CANCEL")) {*
>>>> * if (t_check_trans()) {*
>>>> * route(RELAY);*
>>>> * } else {*
>>>> * sl_send_reply("481", "Call leg/transaction does not
>>>> exist");*
>>>> * }*
>>>> * exit();*
>>>> =======================================================
>>>>
>>>> Thank for your support !
>>>>
>>>> Regards,
>>>> Hai Bui
>>>>
>>>> On Thu, Mar 9, 2017 at 8:27 PM, Daniel-Constantin Mierla <
>>>> miconda at gmail.com> wrote:
>>>>
>>>>> Hello,
>>>>>
>>>>> can you provide pcap (or full ngrep output) for all messages of such a
>>>>> call, from initial invite, including all responses and the other requests?
>>>>> The sip trace has to be taken on kamailio server.
>>>>>
>>>>> Kamailio doesn't send 481 from the C code in the case of call, it
>>>>> either receives it or it is something in config.
>>>>>
>>>>> Cheers,
>>>>> Daniel
>>>>>
>>>>> On 09/03/2017 06:59, Hai Bui Duc Ha wrote:
>>>>>
>>>>> Hi all,
>>>>>
>>>>> I have problem when use module pusher on Kazoo.
>>>>> The user after receive call from pusher can not receive the Cancel
>>>>> message if have another people pick up this phone.
>>>>> I trace log and debug on Kamailio and see the Freeswitch sent Cancel
>>>>> message but Kamailio reply 481 - Call leg/transaction does not exist.
>>>>>
>>>>> The configure on Kamailio: default.cfg
>>>>> =======================================================
>>>>> *route[PREPARE_INITIAL_REQUESTS]*
>>>>> *{*
>>>>> * if (is_method("CANCEL")) {*
>>>>> * if(t_lookup_cancel()) xlog("L_INFO","$ci|log|========
>>>>> t_lookup_cancel()");*
>>>>> * xlog("L_INFO","$rm from $fu (IP:$si:$sp) ---CAPTURED IN
>>>>> MAIN---\n");*
>>>>> * if (t_check_trans()) {*
>>>>> * xlog("L_INFO","$rm from $fu (IP:$si:$sp) ---CHECK TRANS
>>>>> TRUE---\n");*
>>>>> * //xlog("L_INFO",
>>>>> "$ci|log|====================================");*
>>>>> * route(RELAY);*
>>>>> * } else {*
>>>>> * xlog("L_INFO","$rm from $fu (IP:$si:$sp) ---CHECK TRANS
>>>>> FALSE---\n");*
>>>>> * sl_send_reply("481", "Call leg/transaction does not
>>>>> exist");*
>>>>> * }*
>>>>> * exit();*
>>>>> * } else if (is_method("ACK")) {*
>>>>> * if (t_check_trans()) {*
>>>>> * route(RELAY);*
>>>>> * }*
>>>>> * exit();*
>>>>> * }*
>>>>> =======================================================
>>>>>
>>>>> As I read on http://kamailio.org/docs/modules/4.3.x/modules/tm.html#tm
>>>>> .f.t_check_trans
>>>>> Kamailio see the cancel message not same the transaction INVITE
>>>>> message.
>>>>>
>>>>> INVITE message:
>>>>> ------------------------------------------------------------
>>>>> ------------
>>>>> INVITE sip:100 at quydang.htk.cvoice SIP/2.0
>>>>> Via: SIP/2.0/UDP 192.168.1.77:11000;rport;branch=z9hG4bKK9jyp8mXUZHgS
>>>>> Route: <sip:192.168.1.77:5060>
>>>>> Max-Forwards: 49
>>>>> From: "02 quy" <sip:102 at quydang.htk.cvoice>;tag=04K2SappeyDtj
>>>>> To: <sip:100 at quydang.htk.cvoice>
>>>>> Call-ID: 19fa9228-ef95-11e6-b473-1f645951fd7b
>>>>> CSeq: 103030653 INVITE
>>>>> Contact: <sip:mod_sofia at 192.168.1.77:11000>
>>>>> User-Agent: Anttel
>>>>> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE,
>>>>> REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE
>>>>> Supported: path, replaces
>>>>> Allow-Events: talk, hold, conference, presence, as-feature-event,
>>>>> dialog, line-seize, call-info, sla, include-session-description,
>>>>> presence.winfo, message-summary, refer
>>>>> Content-Type: application/sdp
>>>>> Content-Disposition: session
>>>>> Content-Length: 247
>>>>> X-AUTH-IP: 192.168.1.141
>>>>> X-AUTH-PORT: 64799
>>>>> X-KAZOO-AOR: sip:100 at quydang.htk.cvoice
>>>>> X-KAZOO-PUSHER-Token-Proxy: sip:192.168.1.77:5060
>>>>> X-KAZOO-PUSHER-Token-ID: 803F0D6610AC5979C6F0513A3A4BE6
>>>>> 2E0BAF1530DC7A98C2C0DC13D784585FBE
>>>>> X-KAZOO-PUSHER-Token-Type: apple
>>>>> X-KAZOO-PUSHER-Token-App: com.htkinc
>>>>> X-FS-Support: update_display,send_info
>>>>> Remote-Party-ID: "02 quy" <sip:102 at quydang.htk.cvoice>;p
>>>>> arty=calling;screen=yes;privacy=off
>>>>>
>>>>> v=0
>>>>> o=FreeSWITCH 1486708670 1486708671 IN IP4 192.168.1.77
>>>>> s=FreeSWITCH
>>>>> c=IN IP4 192.168.1.77
>>>>> t=0 0
>>>>> m=audio 24764 RTP/AVP 0 8 101 13
>>>>> a=rtpmap:0 PCMU/8000
>>>>> a=rtpmap:8 PCMA/8000
>>>>> a=rtpmap:101 telephone-event/8000
>>>>> a=fmtp:101 0-16
>>>>> a=ptime:20
>>>>> ------------------------------------------------------------
>>>>> ------------
>>>>>
>>>>> CANCEL message:
>>>>> ------------------------------------------------------------
>>>>> ------------
>>>>> CANCEL sip:100 at quydang.htk.cvoice SIP/2.0
>>>>> Via: SIP/2.0/UDP 192.168.1.77:11000;rport;branch=z9hG4bKK9jyp8mXUZHgS
>>>>> Route: <sip:192.168.1.77:5060>
>>>>> Max-Forwards: 49
>>>>> From: "02 quy" <sip:102 at quydang.htk.cvoice>;tag=04K2SappeyDtj
>>>>> To: <sip:100 at quydang.htk.cvoice>
>>>>> Call-ID: 19fa9228-ef95-11e6-b473-1f645951fd7b
>>>>> CSeq: 103030653 CANCEL
>>>>> Reason: SIP;cause=200;text="Call completed elsewhere"
>>>>> Content-Length: 0
>>>>> ------------------------------------------------------------
>>>>> ------------
>>>>>
>>>>> How can I know it same transaction ? We have any idea to solve this
>>>>> problem ?
>>>>> Thank for advice !
>>>>>
>>>>> Regards,
>>>>> Hai Bui
>>>>>
>>>>> --
>>>>> Hai Bui
>>>>> VoIP engineer, Cvoice team, HTK-HCM Office
>>>>> Mobile: +84-165-618-9876 <+84%20165%20618%209876>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users at lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>>>
>>>>> --
>>>>> Daniel-Constantin Mierlawww.twitter.com/miconda -- www.linkedin.com/in/miconda
>>>>> Kamailio Advanced Training - Mar 6-8 (Europe) and Mar 20-22 (USA) - www.asipto.com
>>>>> Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com
>>>>>
>>>>> _______________________________________________ SIP Express Router
>>>>> (SER) and Kamailio (OpenSER) - sr-users mailing list
>>>>> sr-users at lists.sip-router.org http://lists.sip-router.org/cg
>>>>> i-bin/mailman/listinfo/sr-users
>>>>
>>>> --
>>>> Hai Bui
>>>> VoIP engineer, Cvoice team, HTK-HCM Office
>>>> Mobile: +84-165-618-9876 <+84%20165%20618%209876>
>>>>
>>>> --
>>>> Daniel-Constantin Mierlawww.twitter.com/miconda -- www.linkedin.com/in/miconda
>>>> Kamailio Advanced Training - Mar 6-8 (Europe) and Mar 20-22 (USA) - www.asipto.com
>>>> Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com
>>>>
>>>>
>>>
>>>
>>> --
>>> Hai Bui
>>> VoIP engineer, Cvoice team, HTK-HCM Office
>>> Mobile: +84-165-618-9876 <+84%20165%20618%209876>
>>>
>>
>>
>>
>> --
>> Hai Bui
>> VoIP engineer, Cvoice team, HTK-HCM Office
>> Mobile: +84-165-618-9876 <+84%20165%20618%209876>
>>
>
>
>
> --
> Hai Bui
> VoIP engineer, Cvoice team, HTK-HCM Office
> Mobile: +84-165-618-9876 <+84%20165%20618%209876>
>
--
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/micond
<http://www.linkedin.com/in/miconda>
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