Hitachi Cable News Vol.356
Back Number  HITACHI Cablenews backnumber
Special Feature:A Highly Reliable Ethernet SystemManaged Ethernet

Chapter 1: Widespread Use of Wide Area Ethernet Networks |
Chapter 2: Solutions For Telecommunications Carriers | Chapter 3: Enterprise Solutions |
Solution 1: NA | Solution 2: VoIP | Phased Introduction of IP Telephony Using AquaVocal |

Chapter 3: Enterprise Solutions
Phased Introduction of IP Telephony Using AquaVocal
step0 Legacy system
Corporate network linking the PSTN and PBX; data and voice networks exist separately.
step1 Use of existing PBX/External: IP (050)/Extension: analog
Install AquaVocal as a gateway to link existing PBX and phone services; The existing phone system can continue to be used without modifications.
step2 Partial introduction of IP telephony/Extension: analog + IP
Use the internal network to partially introduce IP phones. For partial introduction, add IP-PBX functionality to upgrade the PRI gateway. It becomes possible to consolidate data and voice networks.
step2 Full introduction of IP telephony/External: IP (050)/Extension: IP
Use the internal network to partially introduce IP phones. For partial introduction, add IP-PBX functionality to upgrade the PRI gateway. It becomes possible to consolidate data and voice networks.
PageTop

Chapter 1: Widespread Use of Wide Area Ethernet Networks |
Chapter 2: Solutions For Telecommunications Carriers | Chapter 3: Enterprise Solutions |
Solution 1: NA | Solution 2: VoIP | Phased Introduction of IP Telephony Using AquaVocal |

||| HOME ||| Corporate Profile | Products | R&D | Inevestor Relations | Contact Us |

Copyright(c)2004 Hitachi Cable, Ltd.All rights reserved.
HOME Products Contact Us