True one way pagers only receive if they're on at the time a page is sent out. Think a radio with a transcriber, if it's on when the page is sent it records it

True one way pagers only receive if they're on at the time a page is sent out. Think a radio with a transcriber, if it's on when the page is sent it records it and plays it's notification sound. There are two-way pagers that could respond to and acknowledge pages.