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Voice

KDDI supports your communication in various business situations

IP Direct-access Phone Services

KDDI provides IP Direct-access Phone Services for corporate customers that maintain strong reliability and communications quality while actualizing a reduction in total communications cost.

Telephone services

KDDI offers a variety of telecommunications services that make large cuts in communications costs possible.

Charges and discount services

KDDI offers a variety of services to enhance convenience for your company and your customers.



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