atcomsystems.ca/forum Forums TDM Business Telephone Systems Comdial Telephones & Systems Executech

That sounds like a Digitech system. Still, I don't know of any feature that system has that would cause this to happen due to a feature activation. I am still leaning toward an issue with the lines or a failure of the CO line ports. Are these lines residing on the expansion module or the base cabinet?

Since it is a DSU (Impact or Digitech), I would go back to it being ringer volume, unless that's already been ruled out. That could easily explain the intermittent behavior, and the single ring burst and subsequent flashing and ability to still answer.

That's right Justin. I believe there is a program setting that will stop people from being able to turn the ringer off isn't there. Called "allow ringer off" maybe?

I don't know where you get executech out of digitech. This must be why tech support always first asks "is it plugged in?"

Well, the old Digitech phones looked like the Executech phones, so that's somewhat understandable if you didn't look at the "Digitech" label on the face of the phone.

The allow ringer off was for either ring burst or nothing at all on the first ring. I wish it would make the ring burst option just be a muted ring instead. When I set Allow Ringer Off to no, I usually mean it.