KDDI offers a variety of distinctive, low-cost subscriber phone services. These include services that combine phone line service with high-speed Internet access, services that work in collaboration with cable TV company services, and domestic/international call services at highly competitive rates.
au HIKARI is a discount service that lets you enjoy Internet access, phone service, and television through a single fiber optic line. It provides high quality at low cost while letting you continue using your current phone number and telephone. You can even combine your payments with those made through your contract with your current provider!
Metal-plus phone is a phone line service offered through KDDI¡Çs unique network. Instead of using NTT exchanges, it connects directly with KDDI¡Çs high-quality IP Network. This helps to keep costs down and enables us to offer an easy-to-understand pricing system. There is no need to change your phone number or telephone.
KDDI is working in conjunction with various cable television companies to provide Cable-plus phone service. Through this collaboration, bandwidth equivalent to the subscriber phone lines provided by NTT East/NTT West has been allocated to the Cable-plus phone service allowing usage at basic rates and calling rates that are lower than usual.
A service enabling customers using the NTT subscriber phone service to call home from au mobile phones, and to call mobile phones, fixed phones, etc. from home, all at discount rates.
Join KDDI's Discount Phone Services to enjoy cheap international per-minute calling rates. For example, you can call the US ( mainland ) at any time of the day for only ¥9 per minute!

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KDDI International Phone Service Lineup List