Maybe one day in the near future we’ll get these things. As with a lot of iOS features they all seem to be US centric as call recording introduced to iOS currently not available here no doubt GDPR related.
Generally when your away from home day can you make and receive calls and texts with no issue usually cell towers have back up power like a battery source or generator.
Has 48 any plans to launch RCS for iPhone here in Ireland it was enabled by Apple during iOS 18 and up to networks to adopt it. Judging by this thread it’s not even available for android