Aastra Dialog 4220 Dialog 4220 Lite for BusinessPhone, user guide - Page 81
Dialog 3210, Extra handset, Tape recorder
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Accessories Dialog 3210 The Option unit DBY 410 02 is an optional accessory, to be installed on the bottom of your telephone set. The following devices can be installed via the Option unit: • Tape recorder • Extra bell or busy indication outside your door • Enhanced Headset functionality • PC Sound Card • Second handset Note: For people with impaired hearing the Option unit offers the possibility to amplify the receiving volume in the handset and headset. Extra handset Note: Only available for the Dialog 3210. Useful for involving a second person in your conversation, for talking or just listening. Tape recorder When a recording of the telephone conversation is needed, for evidence purposes, a tape recorder can be connected. BusinessPhone - Dialog 4220 Lite / Dialog 3210 81