Longhaul cable infrastructure is expensive. Especially in Canada where business cases are crippled by thousands of km of emptiness (no opportunity to recover investments). Providers often swap lines through IRU agreements to reduce capital intensity. I've heard but can't confirm the infrastructure in question was laid down by CP and CN rail back in the 90s. I don't know the ownership structure. But I know the railways are still involved in the maintenance.
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Longhaul cable infrastructure is expensive. Especially in Canada where business cases are crippled by thousands of km of emptiness (no opportunity to recover investments). Providers often swap lines through IRU agreements to reduce capital intensity. I've heard but can't confirm the infrastructure in question was laid down by CP and CN rail back in the 90s. I don't know the ownership structure. But I know the railways are still involved in the maintenance.
You’re on the right track: Was called CNCP telecommunications: https://en.m.wikipedia.org/wiki/CNCP_Telecommunications