Tips, if required, usually are included in the bill as services charge. Electrical Appliances Home electrical voltage is 100V and its frequency is 60Hz. They remain open on Saturdays, Sundays and national holidays, but close either on Monday, Wednesday or Thursday. 10 yen is the basic charge for 90 seconds. A chime sounds 30 seconds before the time is up.
Telephone cards are convenient for long distance calls.
Some telephones are for both international and domestic. For direct-dial calls at economical rates, dial 001 and followed by country code, area code and telephone Number. Telephone cards and IC telephone cards are available at NTT offices, major kiosks, convenient store, etc.