2014-02-04 Richard Mudgett <[email protected]>: > > > > On Tue, Feb 4, 2014 at 10:56 AM, Olivier <[email protected]> wrote: > >> Hello, >> >> On a Asterisk 1.6.1 powered system, I've just discovered that using >> Busy() application in dialplan was no enough to send a Busy signal on >> incoming Dahdi channel. >> >> On this specific install, adding an Answer()) and a Playtone() statement >> in dialplan triggered sending of busy tone but I'm still surprised by my >> findings. >> >> Should I expect public switch to send a Busy tone to caller whenever >> Asterisk triggers Busy app or did I miss something ? >> > > It depends upon what kind of DAHDI channel. If it is an analog FXS/FXO > port then > you have to answer for the busy tone to be heard by the caller because as > far as the > telco is concerned it delivered a call to a non-busy line. >
That makes sense. Then I'm wondering if playing a Busy tone is enough to let Caller's telco or device ask for automatic redial. I think this feature is only available ISDN or equivalent networks. > If it is an ISDN > 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. > Thank you very much for sharing this. 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). > Richard > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > New to Asterisk? Join us for a live introductory webinar every Thurs: > http://www.asterisk.org/hello > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users >
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