paging
1. [ noun ] calling out the name of a person (especially by a loudspeaker system)
Examples:

"the public address system in the hospital was used for paging"

Related terms: utterance page
2. [ noun ] (mathematics) the system of numbering pages
Synonyms: folio page_number pagination
Related terms: number page
Similar spelling:   pacing
  passing
  packing
  pasang
  pachinko
  passenger