Telephoning40For the System Administrator: System Settings for Dialling External CallNumbers• External line seizure (automatic or manual) and authorisation for dialling externalnumbers (ranked according to local, national or international calls) can be definedin the Configurator, menu User Manager: User groups (Settings: External andImmediate External line seizure).• Blocked call numbers are managed in the Configurator, menu Telephony: Lists:Black lists.RediallingThe call numbers you have most recently dialled are stored in the redial list. To redialone of these call numbers, you have the following options:Receiving CallsWhen you receive a call, the LED next to the call key flashes. The symbol appears inthe display. The number of the person calling is shown (if the number is transmitted).If the telephone book of the OpenCom 100 / Aastra 800 has an entry for this callnumber, the name of the caller will be shown instead of their number.Redialling the last call number:W Press redial key.H Pick up handset.Redial a particular call number in the redial list:W Press redial key.P Use arrow key to select number.H Pick up handset.