Interquartz Gemini IQ335 analogue phone Colour: silver / black The IQ335 Caller ID telephone is a high quality PABX or Direct Line business telephone. As well as offering visual message waiting indication in both environments it boasts a high-quality speakerphone and soft-programmable network feature keys. The built-in headset amplifier suits many headset models, allowing a wide choice of headset types to suit personal tastes. With a Caller ID name/number display, 120 name/number memories, missed calls indicator and genuine five (5) year parts and labour warranty, the IQ335 is a great product for the busy office or home. Features Headset support suits many headset models from many different vendors 120 name and number memories, 20 of which appear on shortcut keys Caller ID Display with on screen message waiting (suits some systems) Compatible with Cisco's message signalIQ335 Pre-programmable memories to store network feature codes Acoustic Shock Protection for Headset and Handset Volume Control for Headset and Handset earpiece Five (5) year Parts and Labour Warranty Supports caller ID Call Waiting (CIDCW) 80 name and number incoming Caller List Hearing Aid compatible Data Port Wall Mountable - see IQWK4 Suits Business, SOHO and Domestic applications Optional Mute or Push-to-talk Handset "Headset Savvy" Features Mute Key for Headset microphone Trainee/Supervisor "Double Jacking" mode Headset mic adjustment allows any Headset mic type Headset Cable Polarity Switch suits any Headset cord Auto detect circuitry disables Handsfree when Headset is in use Built in Headset amplifier suits a wide range of Headset types Change between Headset, Handsfree and Handset modes during a call "Silent Ringing" mode selectable so that incoming calls ring only in the Headset to reduce office noise