Thanks Curlycord,
Yes, I tested both lines by unplugging from the KSU and verified that volume was good and I could send DTMF tones successfully. I also verified that configuration was tones rather than pulse and the tones were audible on remote when using a Norstar set (I made a call then...
I’m visiting family and they have asked me to look at a 1993-vintage Norstar 3x8 at a local non-profit which is misbehaving. It has very low transmit volume on both lines (from all sets), and is unable to dial out from one line (seems like DTMF doesn’t register).
This is a relatively new...
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