Comfortable ISDN phone without voice mailbox Trendy, steeply dipping model form, 3-stage höhenverstellbarWandmontagefähig2-line alphanumeric display, beleuchtetUhrzeit-/Wochentagsteuerung 6 individually configurable multiple subscriber numbers (MSN) 14 programmable multi-function keys for storing numbers, operators (call by call) and frequently used functions ( eg SMS inbox storage or selection of the outgoing MSN Separate push) button and Uhrzeit-/Wochentagsteuerung to enable / disable the pre-configured call forwarding phone book for 100 entries Event management for 30 appointments redial list of the last 20 number dialed Fully automatic redial a busy number TeilnehmerR button for easy switching in ISDN Telefonanlagen100 Tonrufvarianten (assignment individually possible for each MSN) Tonrufautomatik (ringer volume automatically increases when it is not answered) call list for 20 incoming calls with documentation of date, time and MSNRückrufliste with 6 entries (Automatic Callback Busy, CCBS) Direct, peace before the phone call filter, VIP call signaling (signaling despite calm before the phone) volume, handsfree billing as a total for the phone separately for each MSN, each register entry and for the ISDN connection Various choice and control locks (option settings, keypad, etc. ) emergency power supply in case of power failure support for all common ISDN performance features Power supply via ISDN bus (no additional power supply) system software update possible via ISDN