[asterisk-users] Odd bug in Siemens C460IP ?

[Olivier]

Hi Paul,

2007/11/23, Paul Hayes <paul at provu.co.uk>:
>
> Robert Lister wrote:
> > Hello,
> >
> > I think I have encountered an odd bug in Siemens C460 IP/dect handsets,
> > which is a bit annoying, and I'm not (yet) sure how to get round it
> without
> > lots of hacks.
> >
> > Basically, on all external incoming calls, we set:
> >
> > exten => s,n,SIPAddHeader(Alert-Info: Bellcore-dr2)
> >
> > This causes handsets (i.e. Cisco 7960 / Grandstream / aastra) to set a
> > different ring cadence so to differentiate between external and internal
> > calls.
> >
> > Other handsets that do not support Alert-Info: just ignore the presence
> > of this header.
> >
> > When this header is set in a call to the C460 IP, it does not alert, in
> fact
> > it does not respond to any INVITE requests; asterisk just retries the
> > requests a few times and then gives up.
> >
> > Anyone able to reproduce?  I have firmware version 010700000000 / 041.00
> >
> > I suppose as a workaround I could add an astDB entry for these
> extensions,
> > and a bit of logic in the dialplan to tell asterisk not to add the
> header
> > for extensions that have that flag set.
> >
> >
> > Regards,
> >
> >
> >
> > Rob
> >
> >
>
> I can replicate this behaviour too using an S450IP when an Alert-Info
> header is present.  I have reported the issue to Siemens so hopefully
> this will be fixed in a firmware update in the near future.
>
> cheers,
> Paul.
>
> _______________________________________________
> --Bandwidth and Colocation Provided by http://www.api-digital.com--
>
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users
>

Could you get from Siemens some kind of commitment to fully support
Alert-Info or at least, to ignore Alert-Info data in incoming INVITEs ?

Regards
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20071125/cc693a1b/attachment.htm