2014-02-06 11:09 GMT+01:00 giovanni.v <iax at keybits.org>:
> Il 05/02/2014 8.42, Olivier ha scritto:
>
> channel then it depends upon what you have the priindication option
>> set to. With
>> priindication=outofband then a busy cause code is sent to the
>> network and the call
>> is hung up. With priindication=inband then a busy tone is sent
>> after a possible
>> PROGRESS message.
>>
>>
> I'm gonna check what's really happening from caller's
perspective when
>> such parameter is set.
>> I would expect a busy tone (and the opportunity for automatic
redialing).
>>
>
> Sending a busy signalling on D channel (priindication=outofband) will go
> back into the telephone network exactly the same way the called party was
> really busy... so no charge, busy tone, not completed call on the caller
> side.
>
> Just a couple of notes about priindication=inband.
> - Usually sending in-band audio on a "not connected" state is not
allowed
> unless a special setup is done by the isdn provider.
> - While sending in-band audio or busy signalling on D channel will make no
> difference (from the caller perspective) if the call is originated from an
> analog pstn line anything else (gsm->isdn, sip->isdn...) will fail to
get a
> proper state for that call.
> Definitely I will never use it unless it is required, like the mandatory
> price information message to be sent **before** connection if you run a
> "value added" incoming service billed to the caller.
>
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> -----------------------------------------------
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>
>
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Adding priindication = outofband in appropriate file gave what I was
looking for.
Thank you very much for sharing this !
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