I'd like to point out that the article is referring to a CDMA network used for distribution metering, not the backbone network of site interconnects, which is k

I'd like to point out that the article is referring to a CDMA network used for distribution metering, not the backbone network of site interconnects, which is kinda what we're talking about, given that the subject is the Optus network outage where the outage was of their backbone network. I's secondarily like to point out that 'supported by' can mean many things, including merely having the telco as a depot for replacement equipment and repair services, etc.