[Attachment] Corporate IP Telephone Service

This service provides the same quality as conventional telephone service and uses the same 0AB-J numbering scheme.1 There is also an optional IP Centrex Function on the IP telephone network,2 which allows customers to eliminate costs associated with installing, operating, and maintaining a PBX.

Notes:
1.  0AB-J: The conventional telephone numbering scheme, consisting of Area Code + City Code + Subscriber Number
(ex: 06-XXXX-YYYY).
2.  IP Centrex: A server function on the IP telephone network that serves as a PBX.

[Attachment] Corporate IP Telephone Service



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