[Asterisk-Users] False Hangup detected on Digium TDM400P

[Scott Wolf]

Ruben Fagundo wrote:

> I have an asterisk server running on Redhat 8.0 with a Digium TDM400P 
> w/4 FXO modules (TDM04P)
>
> There are 2 lines going into the Digium card. One line is a Vonage 
> digital line, and the other line is a Comcast voice line. I have a SIP 
> Grandstream 100 phone connected to the Asterisk server.
>
> The problem is that on occasionally, after talking for about 20 
> minutes or so, the call gets hung up and I get a fast paced busy 
> signal. The caller gets dead air.  I have called Digium wondering if 
> their is a hardware problem, but they don't seem to think so. Is  
> there a way to deactivate the other 2 channels, if they aren't being 
> use. Perhaps having all 4 channels active is causing the false 
> detects. The problem occurs on both lines for incoming calls and it 
> just happened again today on an outgoing call after 15 minutes of talk.
>
> I have tried busydetect=no and yes and neither one make a difference. 
> suggestions?
>
> /etc/asterisk/zapata.conf
>  busydetect=yes
>  busycount=10
>
>
We have a 4 port FXO doing the exact same thing. Normally only happens 
after a few minues, but today it happene 4 times on a call from England 
after anywhere from 30 seconds to 10 minutes.

Scott Wolf