KX-TG6721AL Operating Instructions Manual Brandname: Panasonic Category: Answering Machine Total Pages: 52 Table of contents ModelComposition3ForYourSafety5ImportantSafety6OtherInformation7SettingUp9NoteWhenSettingUp10Controls11Display12TurningThePowerOnoff13SmartFunctionKeyTop14OneTouchEcoMode15MakingCalls17UsefulFeaturesDuringA18PowerBack-UpOperation19HandsetPhonebook21CopyingPhonebook22ProgrammableSettings23SpecialProgramming27RegisteringAUnit30UsingCallerIdService32AnsweringSystem34ListeningToMessages35RemoteOperation36AnsweringSystemSettings37VoiceMailService39Intercom40CharacterEntry41ErrorMessages43Troubleshooting44Index48