phone company
- carrierOne that transports
- cellularComposed of small units
- AT&TTelecommunications conglomerate
- VerizonTelecommunications corporation
- landlineStationary wired telephone
mobile · telecommunications · billing · contract · signal · tower · network · operator · service · monthly · plan · data · minutes · roaming · coverage · switchboard · dial tone · directory
- TelecomsAT&T, Vodafone, Verizon, T-Mobile, Sprint
- service providersdoctors, nurses, hospitals, tax preparer, clinics
- Phreakingblue box, red box, Cap'n Crunch, Captain Crunch, phreaker
- utilitieselectricity, water supply, public utilities, water line, gas service
service provider vs. service consumer
phone companyend user
Ultimate product recipient
caller · account holder · consumer · subscriber · customer
modern vs. obsolete communication
phone companypostal service
National mail delivery system
telegraph company · courier service · messenger service · mail carrier · internet service provider