oza.4h07 at gmail.com
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 Posted: Sun Feb 09, 2014 3:47 pm Post subject: [asterisk-users] How to Busy signals on DAHDI [SOLVED] |
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2014-02-06 11:09 GMT+01:00 giovanni.v <iax@keybits.org (iax@keybits.org)>:
| Quote: | Il 05/02/2014 8.42, Olivier ha scritto:
| Quote: | 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.
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| Quote: | 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).
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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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Adding priindication = outofband in appropriate file gave what I was looking for.
Thank you very much for sharing this ! |
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