Definition:
Class of Service.
1) Generally: A designation of the type of telephone service (residential, business, Centrex, coin, PBX, wireless).
2) Specifically: For wireless E9‐1‐1, used to indicate whether the location provided for the wireless call is a Phase 1
location (cell sector location information) or Phase 2 location (caller’s specific location [lat/long]) for the caller
A system or categorization that prioritizes emergency communications based on their urgency or type. This classification helps ensure that critical communications, such as emergency calls (911), police dispatches, or fire department notifications, receive prompt attention and are handled with appropriate priority over non-urgent communications.