Class 5 end-office switches provide local telephone service and dialtone to residential, business, and government subscribers, as well as telephone company payphones. Residential service includes message rate and flat rate local calling plans with extra charges for long-distance calls and supplementary services such as call waiting, 3-way calling, and call forwarding.
These Class 5 switches provide local phone service to households, businesses, and government offices, along with payphones run by the telephone company. Residential customers can choose from message rate and flat rate local calling plans, but will incur extra charges for long-distance calls and additional features like call waiting, 3-way calling, and call forwarding.