sending "pics by SMS" is something people wouldn't even expect to work here in the UK in my experience (and it probably doesn't work for most of them, several networks/plans don't support them or bill them separately)

visiting the US back in the day I realised just how different the "phone culture" was, for instance there was such a thing like being charged for receiving calls (in ~2008) and drastically different coverage maps, etc - I have no idea how things are now over there