[asterisk-users] DAHDI disconnect supervision timing

[Tilghman Lesher]

On Friday 25 September 2009 10:19:39 Stephen Brown Jr wrote:
> Ok so this is officially driving me crazy. I have an Asterisk 1.6.1.6
> install with DAHDI/DAHDI tools (latest) and an OpenVOX TDM400 card with 1
> FXO port and 1 FXS port. I have a POTS line from my phone company attached
> to the POTS line.
>
> I have asked for "disconnect supervision" to be provisioned on my line and
> they claim to have added it. However, my scenario is as follows:
>
> I receive a call, if the caller hangs up before hitting voice mail, the
> DAHDI channel is released as to be expected (evidenced from console
> messaging)
> If the call gets to voicemail and the caller hangs up during the greeting,
> no hangup condition is ever detected and I am greeted with a useless
> voicemail moments later.
>
> I am using kewlstart signaling etc. I came across this page from Digium:
>
> http://kb.digium.com/entry/6/
>
> This suggests adjusting a variable in zaptel.h, as I don't use zaptel, can
> this same logic be applied to DAHDI somewhere? My theory is that the
> "disconnect supervision" signal coming from the phone company may be less
> than 1000ms.

The equivalent header in DAHDI is include/dahdi/kernel.h, in the dahdi-linux
source package.

-- 
Tilghman Lesher
Digium, Inc. | Senior Software Developer
twitter: Corydon76 | IRC: Corydon76-dig (Freenode)
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