DPT Overview20 User Manual1.1 Configuration1.1.1 ConfigurationPanasonic Digital Proprietary Telephones (DPTs) are available to utilize various features of theKX-TD500 System, in addition to supporting basic telephone services (making or receivingcalls).There are the following nine DPT models.KX-T7400 SeriesKX-T7420 KX-T7425 KX-T7431 KX-T7433 KX-T7436DisplayNone None 16 char./line,1-line LCDTilt-up,16 char./line,3-line LCDTilt-up,24 char./line,6-line LCDSoft ButtonsandFunction ButtonsNone None None 3 Soft Buttons3 Soft Buttons/10 FunctionButtonsJog Dial Yes Yes Yes Yes YesCO Buttons 12 24 12 24 24Fixed FeatureButtons Please refer to "Fixed Buttons" in Section "1.1.4 Feature Buttons."KX-T7200 SeriesKX-T7220 KX-T7230 KX-T7235 KX-T7250DisplayNone 16 char./line,2-line LCDTilt-up,24 char./line,6-line LCDNoneSoft ButtonsandFunction ButtonsNone 3 Soft Buttons3 Soft Buttons/10 FunctionButtonsNoneSpeakerphone Yes Yes Yes Monitor onlyCO Buttons 24 24 12 6Fixed FeatureButtonsPlease refer to "Fixed Buttons" in Section "1.1.4 FeatureButtons."