The possibility for a byte to be something other than 8 bit is the reason, why some people refer to 8 bit as octet in network protocols etc. I think I remember

The possibility for a byte to be something other than 8 bit is the reason, why some people refer to 8 bit as octet in network protocols etc. I think I remember somebody pointing to such a machine in some special area (Telco?) still in use in a previous discussion here ... but if that still exists it's very very rare and mostly historical.