Derek Lee-Wo wrote:
I just got a TDM400P with 2 FXO cards. I got it all configured and I
can place and receive calls.
I seem to be getting static on the call, mainly when I speak. E.g, if
I call someone, I can hear them just fine, but they would hear static.
Not a lot...more like a constant background "hissing" noise.
What can I look at to try and troubleshoot what is going on, or is
this normal?
I played with the rx and tx values, but it didn't seem to make much
difference.
I've had the same problem plus low volume audio when the two lines are
bridged..
Adjusting rxgain/txgain does make it louder but also increases the noise.
In your case make sure you're not sharing irq's. cat /proc/interrupts
Also turn off printer/usb/serial (if you're not using them) in the bios.
JD
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