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Joined: Nov 2007
Posts: 77
Member
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OP
Member
Joined: Nov 2007
Posts: 77 |
I've been beating my head on a wall on this one and wanted to see if anyone else has had the same issue. I've contacted Sangoma, but haven't gotten very far. My issue is that I'm getting a noise that I could only describe as a hissing and popping on FXS ports. FXO ports have zero background noise. Here are a few other things: - I've tried multiple A400s - purchased at different times and probably from different manufacturing runs.
- I've tried different FXS modules.
- I've tried different servers (from our standard white box to a Dell PE 2950).
- I've tested the port on the backplane by dropping an FXO module in - the port is fine.
- Sometimes, only 1 of the 2 channels on the card is noisy
- Only unloading wanpipe will make the sound go away (I assume it removes battery from the line also)
- It's not environmental since I've tried this in multiple environments. I've even taken the stock cable and connected it to a butt set - and STILL get noise
HELP!
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