Fully modular, expandable VoIP Appliance for 19"Racks with up to 32 channels to the Service provider and a maximum of 112 participants, configurable 19"housing with 5 slots. • Up to 32 VoIP channels at the same time, 14 of them individually as external (Internet telephony), configurable • Up to 20 ISDN or 20 Analog-to-participant • preparing for a second Ethernet port • system telephony with digital VoIP and ISDN equipment from COMfortel-series • External extension with COMfortel 1200 IP, 1400 IP, 2600 IP and 3600 IP, as well as mobile VoIP Clients/Soft-Phones • Internal ISDN Ports for 2-wire and 4-wire technology (UP0, and S0) • Unified Messaging – Central voice mail and the Fax system with max. 8 channels max. 60 participants or groups • CTI with Auerswald PBX Call Assist 2 • interfaces (APIs) for the integration of 3rd-Party Software, for example, ESTOS ProCall and self-development • Automatic Central, 10 goals in parallel and in a row • Integration in home and Building automation, such as KNX/EIB, and IP switching relay • system integration of Analog and IP door intercom systems • address books for departments and multi-company operations • function as a Hotel (Check-in/Check-out)