Well, it's solved. Finally convinced them of the importance of getting a phone system tech's POV. He said it was likely SW Bell and to get them out here with a T-Bird to test their lines. Bell came out and pulled the error logs from their T1 cards, found lots of errors and said they didn't need to do the T-Bird because they knew the shielding was already letting rain through. They put us on a dry pair. Said that would alleviate the problem for awhile, but blamed regulation for SWB not having enough money or manpower to replace the whole line. And bitched about the T1 providers not making SWB enough money to make the trip worth their while.

So it will happen again, no matter who our T1 provider is. And Bell is unwilling to actually fix the problem permanently.

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Sometimes the only thing worse than a hypocrite is a true believer.