It almost sounds like a "silent termination" except for the clicks. Verizon still provides that here. Pressing 1 or 8 stops the clicks and dialing 88 will cause disconnect. Maybe that's what it is and it has malfunctioned.

412-341-0066 provides a short burst of tone and then a silent termination. Great for checking circuit noise. Pressing a series of numbers will get various tones starting with 660 Hz up to 2400 Hz.

Rcaman


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