Check /proc/interrupts to make sure the cards are not shareing IRQs with anything.
On Thu, 2003-10-02 at 11:43, The Traveller wrote: > Yo all, > > I have a problem with a Dutch (KPN) PSTN-line, connected to an X100P. > The call wil sound OK at first, but after 10-20 minutes, the audio will > start to crackle. Soon after that, this crackle turns into a continuous > noise and the parties won't be able to hear eachother anymore. It also > sometimes happens that the party on the TDM400P hears a very loud, > short-delay echo of themselves, best described as "talking in a > bathroom". It very much sounds like very bad feedback, most of the > time. > > The system concerned is a PIII-750 with an X100P and a TDM400P. > The problem occurs when a call is bridged between the X100P and > a port on the TDM400P. Calls from the TDM400P to a remote IAX2- > connected box seem OK. > > rxgain / txgain are at their default (0) for all interfaces and I'm > using the default echo-cancellation settings, with "echocancelwhenbridged" > enabled. The PSTN-line concerned is a standard analog line from KPN, which > also has ADSL coming in over it. The X100P is, ofcourse, connected > behind the splitter. When I connect the X100P to an internal analog > port of a small legacy home-switch, the problem doesn't seem to occur, > either. > > I'm using "opermode=1" for the X100P, but read on this list somewhere > that the chip used on the X100P is actually not the international version, > so this setting might not have any effect. In this case, it doesn't > seem to matter if I use it or not. There's no notable difference. > > I'll probably investigate this problem further and play with the echo- > canceller and rxgain / txgain a bit. Just curious if anyone else > is experiencing something similar and might have found a solution already. > > > > Grtz, > > Oliver > _______________________________________________ > Asterisk-Users mailing list > [EMAIL PROTECTED] > http://lists.digium.com/mailman/listinfo/asterisk-users -- Sample configs and more: http://www.fnords.org/~eric/asterisk/ BTEL Consulting +1-850-484-4535 x2111 (Pensacola) +1-504-595-3916 x2111 (New Orleans) +1-877-677-9643 x2111 (Toll Free) _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users
