I have had my linesman go over the lines on the pole and manhole and remake the connections, I have played with the milliwatt generator to dial out and back to another number, measuring with ztmonitor to establish the levels, and I have played with the echo canceller settings. I still get hum and crappy audio with lots of echo. When I listen to the lines with a butt set they sound clear, no hum. Has any successfully used an Adtran 750 with PSTN lines? I have several and changing the unit or cards does not improve the quality.

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Chris Mason
NetConcepts
(264) 497-5670 Fax: (264) 497-8463
Int: (305) 704-7249 Fax: (815)301-9759 Cell: 264-235-5670 Yahoo IM: [EMAIL PROTECTED]
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