Capabilities of different system phone types. Feature is supported by the phone device type if the BIT is set to 1: do-not-disturb: DND - Modus available. hands-free: Hands free calling possible, cause a mic in system phone integrated. local-phonebook: Has a local phonebook. intercom: Intercom available. hotel: Hotel funct./hotelroom keys available. macrokey: Macro key supported. boss-secretary: Boss-Secretary functions incl. Diversionkey available. key-extension-module: Has Key-extensions (T400, T400/2, T500). ab-module: Answering machine (module) available. headset-auto-call: (0) Auto-Call-Acceptance (key) available only if headset control (key) is set, (1) Auto-Call-Acceptance available (also without headset control (key), via hands-free telephone). extended-status-led: (0) CS/IP system phones don't support the extended status led configuration, (1) NG phones have a bitfield to configure status led on different events (eg. incoming/missing call or message). conver-disp-settings: (1) Conversation display settings are available (for CS/IP system phones), (0) NG system phones don't support this settings. ng-do-not-disturb: Special Do not disturb settings in GUI for NG system phones is enabled. Furthermore, if this bit is set a do not disturb function key is available. extended-auto-pick-up: (0) For CS/IP system phones only the following values are available for systemPhoneFacAutoCallAcceptTime: immediatly, sec-5, sec-10, (1) For NG system phones further values are available: off, sec-15, sec-20. shift-key: Shift key is available. parallel-ringing-key: Parallel ringing key available. headset-key: Headset key available. Note: NG system phones have their own firmly integrated headset key, so there is no use of this function key. connection-key: Connection keys available. Note: NG system phones don't support this kind of key.