[Asterisk-Users] Busy Tone

[Peter Svensson]

On Wed, 27 Apr 2005, Dennie Verstrepen wrote:

> I've connected an Panasonic KX-TD 1232 PBX to an Asterisk PBX through an
> ISDN-line. I use an AVM Fritz! ISDN PCI card on the Asterisk PBX and
> connect it to the S0 bus of the Panasonic. When I make a call from a
> softphone to a phone that is connected to the Panasonic, there isn't a
> problem. But when I try to make a call from a phone on the Panasonic to
> a softphone, I get a busy tone. If I keep trying, then after a few
> times, it works. Does anyone have any ideas to solve this problem?

Post an isdn debug log. For a PRI link the command would be "pri intense 
debug span X". I assume there is a similar command for a BRI. It should be 
possible to find the problem from that log.

Peter