so much has happened in the last few years with LA, and they have basically stopped doing ftth. :/
but yes, an fno could come in and use la for backhaul - but it wouldnt be la ftth, it would be that fnos ftth.
since it has been 2y, and toti has received a fibre rollout.... did you finally get...
Just so you are aware, once your cell phone call hits the towers, it's now VoIP :)
(voice over internet protocol)
It's only gsm from phone to tower exchange.
And VoLTE is basically VoIP directly from your phone.
Honestly not sure how you ended up getting spam calls via a VoIP setup, maybe you...