[Asterisk-Users] annoying noise on analog phones on tdm400p

[Thomas Artner]

hmm.. does really nobody had such an issue before?


Thomas Artner wrote:
> Hi!
> 
> I am using asterisk with two tdm400p cards.
> Sometimes (one call out of ten), when a call comes in and is taken,
> there is some terrible noise for a short time in the line (for about a
> second).
> Both partys can hear the noise. And sometimes the call has to be hung
> up, because the noise doesn't disappear.
> 
> 
> Has anyone any idea where the problem could be?
> 
> 
> cheers,
> tom
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