Re: Should ASP send a DUPU?

Sandy,

The SG does not send M3UA messages to SS7 Signalling Points.

--brian

Sandy wrote:                                  (Fri, 04 Dec 2009 19:22:23)
> 
>    Sorry, the second condition as to be :
>    DUPU is sent if the route is based on DPC and SIO.
>    Regards,
>    Sandeep B S
> 
>    On Fri, Dec 4, 2009 at 7:14 PM, Sandy <[1][email protected]> wrote:
> 
>      Hi Brain,
> 
>      When the user part of ASP becomes unavailable then corresponding
>      INACTIVE message for that AS is sent by ASP to SGP. At SGP side on
>      receiving INACTIVE message from ASP, it searches for the
>      corresponding routing key of the AS and sends DUNA/DUPU to SS7
>      point code based on the following conditions.
> 
>      DUNA is sent if the route is based on DPC only.
> 
>      DAVA is sent if the route is based on DPC and SIO
>      Please confirm whether my understanding is on a right path.
>      Regards,
>      Sandeep B S
> 
>    On Fri, Dec 4, 2009 at 1:25 AM, Brian F. G. Bidulock
>    <[2][email protected]> wrote:
> 
>      Deepak,
>      ASP Inactive.
>      -- brian
>      Deepak Gunjal wrote:
>                            (Thu, 03 Dec 2009 19:57:53)
> 
>    > Hi,
>    >
>    > In case if my local SCCP user at ASP become unavailable, how does my
>    local ASP will notify to SG without DUPU?
>    >
>    >
>    > -----Original Message-----
>    > From: [3][email protected]
>    [mailto:[4][email protected]] On Behalf Of Brian F. G. Bidulock
>    > Sent: Thursday, December 03, 2009 7:00 PM
>    > To: Sandy
>    > Cc: [5][email protected]
>    > Subject: Re: [Sigtran] Should ASP send a DUPU?
>    >
>    > Sandy,
>    >
>    > Invalid SIO should be screened by the SG.  When an AS becomes
>    > unavailable at an ASP it should deactivate for the AS.  DUPU
>    > is not permitted in the direction from ASP to SG.
>    >
>    > --brian
>    >
>    > Sandy wrote:                                  (Thu, 03 Dec 2009
>    14:57:31)
>    > >
>    > >    Hi All,
>    > >    We generally know that DUPU message is sent from SGP to ASP to
>    > >    indicate that the remote peer MTP3-user part is unavailable at
>    SS7
>    > >    node.
>    > >    What if ASP receives message with invalid SIO or if the message
>    > >    destined to the particular user is not available.In this case
>    should
>    > >    ASP send a DUPU message to remote? If not what action should
>    ASP take?
>    > >    Please explain.  Thanks in advance.
>    > >    Regards,
>    > >    Sandeep B S.
>    >
>    > > _______________________________________________
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>    >
>    >
>    > --
>    > Brian F. G. Bidulock
>    > [8][email protected]
>    > [9]http://www.openss7.org/
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> References
> 
>    1. mailto:[email protected]
>    2. mailto:[email protected]
>    3. mailto:[email protected]
>    4. mailto:[email protected]
>    5. mailto:[email protected]
>    6. mailto:[email protected]
>    7. https://www.ietf.org/mailman/listinfo/sigtran
>    8. mailto:[email protected]
>    9. http://www.openss7.org/
>   10. mailto:[email protected]
>   11. https://www.ietf.org/mailman/listinfo/sigtran
>   12. mailto:[email protected]
>   13. https://www.ietf.org/mailman/listinfo/sigtran
>   14. mailto:[email protected]
>   15. http://www.openss7.org/

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-- 
Brian F. G. Bidulock
[email protected]
http://www.openss7.org/