[OpenSIPS-Users] Second call on transferred with B2B refer scenario

Santi Antón Santi.Anton at quarea.com
Mon Jun 16 10:48:55 CEST 2014


Hi Bogdan,

Next you can find a link to Refer log.

https://drive.google.com/file/d/0B3db2bUGbNDQT2F1cDlQNlF2aVU/edit?usp=sharing

Regards,

 
Santi Antón
 Responsable de operaciones

Tel. 902 520 520 ext 106
Fax. 93 589 14 90

santi.anton at quarea.com
 





 
902 520 520
www.quarea.com
Quarea ITC Management & Consulting
Su experto en Redes Voz-Datos IP: 
Asterisk, Cisco, Polycom, Colt Telecom
 



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-----Mensaje original-----
De: Bogdan-Andrei Iancu [mailto:bogdan at opensips.org] 
Enviado el: viernes, 13 de junio de 2014 13:25
Para: OpenSIPS users mailling list; Santi Antón
Asunto: Re: [OpenSIPS-Users] Second call on transferred with B2B refer scenario

Hi Santi,

Indeed there is no new Refer-To hdr in the resulting INVITE (frame 38). 
As you can reproduce it, could you please run in full debug (debug=4) and send me the logs corresponding to the REFER processing ?

Thank and Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 11.06.2014 13:06, Santi Antón wrote:
> Hi,
>
> Nobody else had found the same issue trying refer scenario with b2b module? Someone has a valid opensips.cfg to compare it with mine?
>
> Regards,
>
> Santi Antón
>
>
>
> -----Mensaje original-----
> De: Santi Antón
> Enviado el: miércoles, 04 de junio de 2014 11:04
> Para: OpenSIPS users mailling list; 'Bogdan-Andrei Iancu'
> Asunto: RE: [OpenSIPS-Users] Second call on transferred with B2B refer 
> scenario
>
> Hi Bogdan,
>
> Do you need my opensips.cfg? It seems very strange that this issue could be general, I think that maybe I'm making a mistake in opensips configuration.
>
> Regards,
>
>   
> Santi Antón
>
>
> -----Mensaje original-----
> De: users-bounces at lists.opensips.org 
> [mailto:users-bounces at lists.opensips.org] En nombre de Santi Antón 
> Enviado el: miércoles, 28 de mayo de 2014 9:35
> Para: 'Bogdan-Andrei Iancu'; OpenSIPS users mailling list
> Asunto: Re: [OpenSIPS-Users] Second call on transferred with B2B refer 
> scenario
>
> Hi Bogdan,
>
> Yes, it is.
>
> Thanks in advance,
>
>   
> Santi Antón
>
>
>> -----Mensaje original-----
>> De: Bogdan-Andrei Iancu [mailto:bogdan at opensips.org] Enviado el:
>> miércoles, 28 de mayo de 2014 8:15
>> Para: OpenSIPS users mailling list; Santi Antón
>> Asunto: Re: [OpenSIPS-Users] Second call on transferred with B2B 
>> refer scenario
>>
>> Hi,
>>
>> You mean the frame 38 in your trace, right ? Indeed the TO should have only the URI, not the REPLACE stuff ....I will look into.
>>
>> Regards,
>>
>> Bogdan-Andrei Iancu
>> OpenSIPS Founder and Developer
>> http://www.opensips-solutions.com
>>
>> On 27.05.2014 17:10, Santi Antón wrote:
>> Hello,
>>
>> I noticed that INVITE with Replaces header is built like this:
>>
>> INVITE sip:9442 at 172.16.50.131:5063 SIP/2.0
>> Record-Route: <sip:172.16.53.59;lr>
>> Via: SIP/2.0/UDP 172.16.53.59:5060;branch=z9hG4bK4867.fe529da6.0
>> Via: SIP/2.0/UDP 172.16.53.59:5060;branch=z9hG4bK4867.ee529da6.0
>> To:
>> sip:9442 at 172.16.53.59?Replaces=377952018%40172.16.51.138%3Bto-tag%3DB
>> 2
>> B.124.358%3Bfrom-tag%3D741375670
>> From:
>> <sip:9443 at 172.16.53.59;transport=UDP>;tag=fde67a95c41efd29d5eb8ddaecd
>> b
>> abf0-9cb9
>> CSeq: 4 INVITE
>> Call-ID: B2B.345.6691153
>> Max-Forwards: 69
>> Content-Length: 376
>> User-Agent: OpenSIPS (1.10.1-notls (x86_64/linux))
>> Content-Type: application/sdp
>> Supported: replaces, norefersub, extended-refer, timer, 
>> X-cisco-serviceuri
>> Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS, 
>> INFO, SUBSCRIBE
>> Contact: <sip:172.16.53.59:5060>
>>
>>
>> The replaces header is inside "To" header, is it correct? The examples I saw the Replaces header has an independent header like next:
>>
>> F6 INVITE Transferee -> Transfer Target
>>
>> INVITE sips:482n4z24kdg at chicago.example.com;gr=8594958 SIP/2.0
>> Via: SIP/2.0/TLS 192.0.2.4;branch=z9hG4bKnaslu82
>> Max-Forwards: 70
>> To: <sips:482n4z24kdg at chicago.example.com;gr=8594958>
>> From: <sips:transferee at biloxi.example.com>;tag=954
>> Call-ID: kmzwdle3dl3d08
>> CSeq: 41 INVITE
>> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY
>> Supported: gruu, replaces, tdialog
>> Contact: <sips:3ld812adkjw at biloxi.example.com;gr=3413kj2ha>
>> Replaces: 592435881734450904;to-tag=9m2n3wq;from-tag=763231
>> Content-Type: application/sdp
>> Content-Length: ...
>>
>> Regards,
>>
>> Santi Antón
>>
>>
>>> -----Mensaje original-----
>>> De: Santi Antón
>>> Enviado el: lunes, 26 de mayo de 2014 9:46
>>> Para: 'users at lists.opensips.org'; 'Bogdan-Andrei Iancu'
>>> Asunto: RV: [OpenSIPS-Users] Second call on transferred with B2B 
>>> refer scenario
>>>
>>> Oh, I forget to attach the file. Next you can find a link to pcap.
>>>
>>> https://drive.google.com/file/d/0B3db2bUGbNDQWFIzSjhoVFFKVUk/edit?us
>>> p
>>> =sharing
>>>
>>> Regards,
>>>    
>>> Santi Antón
>>>
>>>
>>> -----Mensaje original-----
>>> De: Bogdan-Andrei Iancu [mailto:bogdan at opensips.org] Enviado el:
>>> jueves, 22 de mayo de 2014 18:29
>>> Para: users at lists.opensips.org; Santi Antón
>>> Asunto: Re: [OpenSIPS-Users] Second call on transferred with B2B 
>>> refer scenario
>>>
>>> Hello Santi,
>>>
>>> There is nothing attached and it is not a good practice to have large attachments on the mailing lists (as you are flooding the inboxes).
>>> Better uploade your trace on a pastebin like side (or store pcap on ftp/http servers) and just post the link.
>>>
>>> Regards,
>>>
>>> Bogdan-Andrei Iancu
>>> OpenSIPS Founder and Developer
>>> http://www.opensips-solutions.com
>>>
>>> On 22.05.2014 13:28, Santi Antón wrote:
>>> Hello,
>>>
>>> I'm trying to implement attendant transfer capability to our Opensips server with the b2b module and refer.xml scenario.
>>> Attended transfer works fine except the transferred receives a new call rather than update the ongoing call with transferor.
>>> Looking for the cause I saw that from tag is different between the initial call (INVITE) to transferred and the from tag in Replaces header (INVITE). I think the two from tag have to be the same to consider the second INVITE an update and not a new call.
>>> Attached you can find a capture with an isolated example (9443 calls 9441 and does an attended transfer to 9442).
>>> Maybe I'm not understanding the module behavior but I couldn't find any clue in module's documentation.
>>>
>>> Thanks in advance,
>>>     
>>> Santi Antón
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> Users mailing list
>>> Users at lists.opensips.org
>>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>>
>>>
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