Compact 3000 ISDN - Plug & Phone-Comfort for the ISDN-connection with additional broadband Internet access (DSL)The Compact 3000 ISDN proves how powerful a small telephone system can be in the basic configuration: Four analogue extensions, telephone directory for 400 entries, central voicemail and fax system, which automatically informs you via e-mail, RSS-feed and call about received messages, CTI-support as well as connection possibilities for external memory are only some of the technical delicacies.If you wish to have two additional analogue extensions, another ISDN exchange line or more comfort with ISDN system telephones, simply extend your Compact 3000 with a corresponding plug-in module. And for Internet telephony or to make in-house phone calls over the computer network, the two integrated VoIP channels are simply activated via the online upgrade center.The plug-in housing and the step-by-step configuration without a PC make installation and commissioning child's play. All oth