| Hi the OmniPCX is a great PBX with alot of funtions, but there is also available the new OmniPCX Entrepriese this is the new version of thw 4400, this greater, an the unified messagin is cheapper
also if you wan to spend less, you can choice the OmniPCX Office, it also has unnified comunication with great coupling with Microsoft Outlook and Lotus Notes |