> I suspect voice calling itself has become network deprioritized or still has trouble selecting between calling tech. Whilst this may be true for normal voice

> I suspect voice calling itself has become network deprioritized or still has trouble selecting between calling tech. Whilst this may be true for normal voice, almost universally emergency calling is the highest network priority[0], knocking other voice and data sessions off another carriers tower if required. 0. https://en.wikipedia.org/wiki/Emergency_telephone_number#Emergency_numbers_and_mobile_telephones https://en.wikipedia.org/wiki/Emergency_telephone_number#Eme...