Abbreviation of Cellular Telephone, a small (or otherwise) portable phone. A device "for relating first-hand details of your accident as it occurs". Also the rudest invention mankind has ever conceived of, as it means that the person who is physically present right next to you has lower priority than everyone else on the planet.
Also, a Public Service Announcement:
VodaFone and Telecom are both cellular communication companies in NewZealand.
Breeds of Cellphone with Wiki pages:
2 pages link to CellPhone: