Hi @Solla-topee , thank you for your response and offer of guidance. As it happens, yes, we are on the optus network. I was unaware of any recent updates or changes in their services. Interestingly,...

We have 4x cameras (2 of the stated TC71, 1x C211 & 1x TC60) all on the same fixed home wifi network. Early in August of this year I started with the TC60, the a few weeks later added the 2x TC71...