- Accessory Handset for D3097/3098 phonesAmplified Sound: up tp +30 db boost with adjustable audio tonesDedicated key on each handset for instant message retrievalMessage waiting indicator light on each handsetSilent Mode: quiets all ringers and incoming messagesSpeakerphoneVisual ringerLarge white backlit LCD with scalable fontsIntercom and call transferBelt clip and headset jackT-coil friendly (TIA1083)Eco Mode= less frequent chargingCaller ID Announce = hear the name of callers before answering100 name/number phonebook50 name/number Caller ID list5 number redialTrilingual (English/Spanish/French) owners manual, menu and voice prompts