[asterisk-users] White noise from TDM2400

[Matthew Fredrickson]

Stephen Kratzer wrote:
> Hello. We recently replaced a channel bank in favor of a TDM2400E. After doing 
> so, users began complaining that they could barely hear the remote parties. 
> We increased gain appropriately for each channel which increased the volume 
> of the voices but has also increased the volume of any line noise. It sounds 
> like white noise which goes away when either party talks and returns during 
> silence. Is there any remedy to this? Thanks.

Do you have the new TDM2400E with the VPMADT032 on it?  Also, what 
version of zaptel are you running?

-- 
Matthew Fredrickson
Software/Firmware Engineer
Digium, Inc.