Information (including product prices, product specifications, details of services, launch dates, inquiry information, and URLs) contained in this news release is current as of the date of the press release but is subject to change without notice. Please note that details may differ from those effective on the search date.

Hitachi Cable, Ltd. announces that its AquaVocal *1 all-in-one IP-PBX *2 will support the E02SA wireless LAN-compatible au mobile phone provided by KDDI Corporation (Headquarters: Chiyoda-ku, Tokyo; President and Chairman: Tadashi Onodera, KDDI hereafter), with sales to begin December 1, 2006. This coming spring, AquaVocal will also launch support for KDDI Hikari Direct and KDDI-IP Phone, KDDI's enterprise IP telephony services.

In recent years, falling prices and the advancing functionality of data communication networks have led to rapid growth of IP telephony services. Demand has increased for wireless LAN-compatible mobile phones, which can be used as mobile phones outside company sites and as wireless LAN-based wireless IP phones on site. However, most IP-PBX products supporting wireless LAN-compatible mobile phones have targeted large sites of 500 to 1,000 users or more. The cost and depreciation associated with these systems has impeded adoption by small- and mid-size offices.

Recently, Hitachi Cable confirmed the interoperability between its AquaVocal all-in-one IP-PBX and KDDI's E02SA wireless LAN-compatible mobile phone. AquaVocal is a single-unit all-in-one IP-PBX providing numerous functions *3, designed for users who want to introduce IP telephony services to small- or mid-size office sites of 200 or fewer users. The E02SA is a wireless LAN-compatible mobile phone that can be used as an au mobile phone off the company site and as a wireless LAN-based extension phone on site. By combining AquaVocal and E02SA, small- and mid-size offices can easily introduce wireless LAN-compatible mobile phone systems. Clients already using AquaVocal can also use E02SA by upgrading the AquaVocal firmware *4*5

From the coming spring, AquaVocal will also provide support for KDDI Hikari Direct and KDDI-IP Phone, enterprise IP telephony services provided by KDDI. KDDI Hikari Direct is an IP telephony service providing high QoS in communication based on fiber optic lines provided by KDDI as access lines and a backbone of high-quality IP networks. Users can move to the IP telephony service using the same telephone number they currently use in the office. Combined with E02SA, it provides functions for automatically sending calls to E02SA when the user is unable to answer the extension phone because he or she is off-site. This function makes it possible to provide the E02SA with the phone number of the client calling without alteration in the transfer process. AquaVocal support for KDDI's enterprise IP telephony services will help companies introduce these IP telephony services !) not just at major sites like headquarters, but at smaller sites, including branch and sales offices. Combined with the E02SA, AquaVocal allows users to introduce convenient, wireless LAN-compatible mobile phone solutions.

AquaVocal is primarily sold through Hitachi Cable sales partners, including Hitachi Infonet Co., Ltd. Hitachi Cable plans to continue promoting the integration of AquaVocal with various IP telephone devices and applications to expand its market share for small- and mid-size office IP-PBX systems.

*1	AquaVocal is a registered trademark of Hitachi Cable, Ltd. in Japan.
*2	PBX stands for Private Branch Exchange. IP-PBX refers to a Private Branch Exchange for an IP telephony system.
*3	In addition to IP-PBX functions, AquaVocal provides various gateway functions to connect different networks, including communications carriers, IP telephony networks, the public telephone network, and the internal telephone network and the function of PPPoE (Point to Point Protocol over Ethernet: permits use of PPP over Ethernet networks; the PPP protocol is used to link computers to networks over telephone lines), while a survival function allows sending and receiving between analog phones and the public network, even during power outages.
*4	Firmware is built-in software for controlling devices.
*5	The cost of upgrading AquaVocal firmware is based on the specifics of the AquaVocal maintenance contract. Please contact your sales partner for information on upgrading firmware.

Equipment and services confirmed to operate with AquaVocal series

Classification Product Name Company Name IP telephony service       KDDI Hikari Direct* KDDI-IP Phone* KDDI Corp. Hikari Denwa Business Type Nippon Telegram and Telephone East Corp. Hikari Denwa Business Type Nippon Telegram and Telephone West Corp. FUSION IP-Phone Fusion Communications Corp. Telephone terminal Wireless LAN-compatible mobile phone E02SA KDDI Corp. FOMA (R)/wireless LAN dual terminal N900iL NTT DoCoMo, Inc. Desktop IP phone IP NetPhone SX SAXA,Inc. Wireless IP phone WirelessIP5000 Hitachi Cable, Ltd. Software phone LUTi IP-Phone J.Link, Inc. Application IP phone control software COCO-DA-Phone COCOWADOCO Inc. CTI software CallNavi ACTION Systems Co., Ltd. 3D reception system software 3d-Reco Netdimension Corp.

*	Planned to support from next spring

Overview of specifications for major models of the AquaVocal series

(Specifications are subject to change without notice.)

AquaVocal2004-FXSO AquaVocal2112-FXSO AquaVocal3000 All-in-One 4-line model (IP-PBX with PSTN gateway model) All-in-One 12-line model (IP-PBX with PSTN gateway model) Dedicated IP-PBX model Port configuration 10/100BASE-TX 2 2 2 PSTN/FXS 4 12 - PSTN/FXO (Pass through at power failures) 4 (1) 12 (3) - Power supply specifications Input power source AC 100V (90 V - 110V), 50/60 Hz (plus or minus 3 Hz) Switch Locking switch with anti-error guide (housed in front panel) Environmental specifications Operating conditions Operating temperature 0°C to 40°C Operating humidity 20% to 85% Rh (No condensation) Installation conditions Installation (mounting) Level installation Stacking Stackable when housed in panel/used on tabletop Storage conditions Storage temperature -20°C to 60°C Storage humidity 20% to 85% Rh (No condensation) Acquired certification specifications Noise emission regulation VCCI-Class A Communication device certification JATE certification Functional specifications Network connection functions LAN connection specifications 10BASE-T/100BASE-TX (IEEE802.3-compliant) Channel number 2 (LAN0, LAN1) External connectors RJ-45 (RTP with shield) x 2 (double x 1) Serial I/F functions for maintenance I/F specifications RS-232 level, full-duplex, asynchronous serial I/F External connectors RJ-45 x 1

External appearance of AquaVocal2004-FXSO