[Asterisk-Users] UK Disconnect supervision with TDM400P

[Edward Eastman]

Hi, thanks for the reply, only just got round to having a look at it again
(annoying how real life gets in the way of the important stuff ;) 

I've had a go at ramping up the tx/rx gain but it doesn't seem to make any
difference.  FWIW it's the same with the module in normal fcc mode.

Does anyone know if bt do normally provide disconnect supervision or whether
it has to be done with e.g. busydetect (and can either be detected by the
tdm400p in uk mode)?

Thanks

Ed

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Richard Scobie
Sent: 28 August 2004 21:34
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] UK Disconnect supervision with TDM400P



Edward Eastman wrote:

> 
> I've got a TDM11B with the fxo port plugged into a standard UK BT PSTN
line,
> loading wcfxs with OPERMODE=UK.  All's working well, except if I get an
> incoming call through my bt line, and the remote party hangs up, I get
> approx 20secs of the bt line hungup tone before asterisk hangs up, which
> leads (if nothing else) to the well documented 20secs of beep on vm
problem
> :)
> 
> I have tried: busydetect=yes / busycount=7 / other busycounts /
> callprogess=yes but none of these make any difference.  I have
> loadzone/defaultzone=uk and country=uk in indications.conf and fxs_ks
> signalling.
> 

Try increasing your RX gain in 1db steps, until it reliably hangs up.

I had a box with X100Ps which busydetected perfectly with default gain 
settings. When they were replaced with TDM FXOs, busydetect stopped 
working and I needed 3db of RX gain added to get it working again.

Regards,

Richard
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