From which location can a flight attendant call be canceled from a passenger seat?

A flight attendant call can be canceled from either the flight attendant (FA) panel or the passenger service unit (PSU). The FA panel, which is located in the galley or crew areas, allows crew members to manage calls initiated by passengers, including canceling them. Similarly, the PSU, which is situated above each passenger seat, provides an interface for passengers to call for assistance and also includes the functionality for crew members to cancel these calls directly from there.

This dual capability enhances efficiency during a flight, enabling flight attendants to respond effectively to passenger interactions and manage their time and attention throughout the cabin more effectively. The availability of cancellation both from the FA panel and from the PSU reflects the design intent of modern aircraft to improve service delivery and safety through streamlined communication.