49Devices menuDirectoriesEnables access to the private phone book and the system phone book.This can also be quickly accessed with the † or π navigation key or via the key.Time/AlarmsThis menu lets you set the date and time, program appointments, alarm times or a timer, and spe-cify the formats for displaying the date and time.AudioIn this menu you can make settings for the volume, ringer and attention tones.Data management / SD Card (Aastra 622d, 632d, 650c only)Menu for data management of the SD card .Call filterThe call filter* allows you to answer or block incoming calls. You can specify the call numbers andthe filter status in the menu.Call diversionCall diversion enables you to forward calls to other internal / external phones. A call can be forwar-ded immediately, when the connection is busy or after a certain time.SystemIn this menu you can specify the active system for your handset and administer registrations to diffe-rent systems as well as read the IPEI number and information on the status of hardware and soft-ware.System menuThis menu enables you to set automatic call-back and call waiting functions.SettingsDevice settings, such as key lock, key programming, user name, display settings, illumination,Blue-tooth etc., are available here.Protection functionsThis menu can be accessed via the PIN (Personal Identification Number). On delivery, it is 0-0-0-0 (4 xzero). Here you can block the handset (lock), change the PIN, program an emergency number, enter* if supported by the systemVoIPon www.voipon.co.uk sales@voipon.co.uk Tel: +44 (0)1245 808195 Fax: +44 (0)1245 808299