Maybe the plan was to use fiber strictly for voice, but that feels odd to me. If you've seen the eye-watering cost of 1600 pair copper bearers, not to mention

Maybe the plan was to use fiber strictly for voice, but that feels odd to me. If you've seen the eye-watering cost of 1600 pair copper bearers, not to mention the sheer time taken to joint it, you'd see why the telcos were keen on fibre for voice.