Exactly! And especially if it's provided by a cable ISP. It's just VoIP. Maybe with some QoS on their network and battery backup. It's not a real circuit-switc

Exactly! And especially if it's provided by a cable ISP. It's just VoIP. Maybe with some QoS on their network and battery backup. It's not a real circuit-switched network with its own power supply like traditional POTS service.