Noted with thanks.



--
*Moisés Amiga*

*Voice Operations*

*Mex T.* + 52 (55) 5147 8040  ext 1367
*Cel.* +521 55 2575 6848
 Llámame <http://callmenow.c3ntro.com/c3ntro1...@c3ntro.bicentel.net>

Paseo de las Palmas 215-304
Col. Lomas de Chapultepec,
México D.F. 11000





El vie., 21 de dic. de 2018 a la(s) 13:35, Roman Shpount (ro...@telurix.com)
escribió:

> RFC  5057 is informational, not a standard. RFC 3261 specifies that
> dialog established using an INVITE transaction can only be terminated using
> a BYE message.
>
> Specifically in https://tools.ietf.org/html/rfc3261#section-12.2.1.2:
>
> If the response for a request within a dialog is a 481 (Call/Transaction
> Does Not Exist) or a 408 (Request Timeout), the UAC SHOULD terminate the
> dialog.  A UAC SHOULD also terminate a dialog if no response at all is
> received for the request (the client transaction would inform the TU about
> the timeout.)
>
>       For INVITE initiated dialogs, terminating the dialog consists of
> sending a BYE.
>
>
> This does not specify what happens when re-INVITE gets a 404 response,
> since this is not something that should normally happen for the request
> with the dialog. Getting 404 to a re-INVITE means something went horribly
> wrong and terminating dialog by sending BYE is probably the right course of
> action.
>
> Regards,
> _____________
> Roman Shpount
>
>
> On Fri, Dec 21, 2018 at 2:23 PM Moy Amiga <moises.am...@c3ntro.com> wrote:
>
>> Thank you Roman.
>>
>> But about the RFC 5057,  https://tools.ietf.org/html/rfc5057#section-5.1
>> And I dont know if this RFC is for the NOTIFY only or also include a
>> INVITE message.
>>
>>
>> For the failure responses with code 400 and greater, there are three
>>    common ways the failure can affect the transaction, usage, and dialog
>>    state.
>>
>>    Transaction Only  The error affects only the transaction, not the
>>       usage or dialog the transaction occurs in (beyond affecting the
>>       local CSeq).  Any other usage of the dialog is unaffected.  The
>>       error is a complaint about this transaction, not the usage or
>>       dialog that the transaction occurs in.
>>
>>    Destroys Usage  The error destroys the usage, but not the dialog.
>>       Any other usages sharing this dialog are not affected.
>>
>>    Destroys Dialog  The error destroys the dialog and all usages sharing
>>       it.
>>
>>    Table 1 and Table 2 display how the various codes affect transaction,
>>    usage, or dialog state.  Response code specific comments or
>>    exceptions follow the table.
>>
>>         +----------------------+----------------+-----------------+
>>         |   Transaction Only   | Destroys Usage | Destroys Dialog |
>>         +----------------------+----------------+-----------------+
>>         | 400 (or unknown 4xx) |    405, 480    |  404, 410, 416  |
>>         |  401, 402, 403, 406  |    481, 489    |     482, 483    |
>>         |   407, 408, 412-415  |       501      |     484, 485    |
>>         |  417, 420, 421, 422  |                |     502, 604    |
>>         |     423, 428, 429    |                |                 |
>>         |   436-438, 486, 487  |                |                 |
>>         |  488, 491, 493, 494  |                |                 |
>>         | 500 (or unknown 5xx) |                |                 |
>>         |     503, 504, 505    |                |                 |
>>         |       513, 580       |                |                 |
>>         | 600 (or unknown 6xx) |                |                 |
>>         |       603, 606       |                |                 |
>>         +----------------------+----------------+-----------------+
>>
>>
>>
>>
>>
>>
>> --
>> *Moisés Amiga*
>>
>> *Voice Operations*
>>
>> *Mex T.* + 52 (55) 5147 8040  ext 1367
>> *Cel.* +521 55 2575 6848
>>  Llámame <http://callmenow.c3ntro.com/c3ntro1...@c3ntro.bicentel.net>
>>
>> Paseo de las Palmas 215-304
>> Col. Lomas de Chapultepec,
>> México D.F. 11000
>>
>>
>>
>>
>>
>> El vie., 21 de dic. de 2018 a la(s) 12:52, Roman Shpount (
>> ro...@telurix.com) escribió:
>>
>>> Sorry, BYE message. I blame this on consistent fat-fingering.
>>>
>>> :)
>>> _____________
>>> Roman Shpount
>>>
>>>
>>> On Fri, Dec 21, 2018 at 1:31 PM Alex Balashov <abalas...@evaristesys.com
>>> >
>>> wrote:
>>>
>>> > BUY message? What is this, Broadsoft? :-)
>>> >
>>> > On Fri, Dec 21, 2018 at 01:29:26PM -0500, Roman Shpount wrote:
>>> >
>>> > > You will need to send the BUY message. 404 response only cancels the
>>> > > re-INVITE transaction, not the call. This being said, most SIP
>>> > > implementations will hang up the call (send BUY) when they receive
>>> 404
>>> > > response to a re-INVITE.
>>> > >
>>> > > Regards,
>>> > > _____________
>>> > > Roman Shpount
>>> > >
>>> > >
>>> > > On Fri, Dec 21, 2018 at 12:54 PM Moy Amiga <moises.am...@c3ntro.com>
>>> > wrote:
>>> > >
>>> > > > Hi.
>>> > > >
>>> > > > I Have a question.
>>> > > > When I have a already established call, and we send a Re-Invite, if
>>> > this
>>> > > > Re-Invite was rejected with 404.
>>> > > > To finish the call, we need a BYE message or only with this reject
>>> > 404  the
>>> > > > session is considered canceled?
>>> > > >
>>> > > > Thank you and best regards
>>> > > >
>>> > > >
>>> > > > --
>>> > > > *Moisés Amiga*
>>> > > >
>>> > > > *Voice Operations*
>>> > > > _______________________________________________
>>> > > > Sip-implementors mailing list
>>> > > > Sip-implementors@lists.cs.columbia.edu
>>> > > > https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
>>> > > >
>>> > > _______________________________________________
>>> > > Sip-implementors mailing list
>>> > > Sip-implementors@lists.cs.columbia.edu
>>> > > https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
>>> >
>>> > --
>>> > Alex Balashov | Principal | Evariste Systems LLC
>>> >
>>> > Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
>>> > Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
>>> > _______________________________________________
>>> > Sip-implementors mailing list
>>> > Sip-implementors@lists.cs.columbia.edu
>>> > https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
>>> >
>>> _______________________________________________
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>>>
>>
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