Residential W60P DECT Cordless Features 8 lines2.4" Color LCD1 x RJ45 10/100M Ethernet PortHD SpeakerHD Handset3-Way Conferencing Yealink W52P DECT Cordless Features 1.8" Color LCD5 Lines1 x RJ45 10/100M Ethernet Port3-Way ConferencingHD SpeakerHD Handset Business Yealink SIP-T19P-E2 Features 2.3" Graphical LCD2 x RJ45 10/100M Ethernet Ports1 LineHD Handset3-Way ConferencingHeadset Port Yealink SIP-T27G Features 3.66" Graphical LCDDual-Port Gigabit Ethernet6 Lines21 Memory KeysCompatible with Expansion BusCompatible with Bluetooth AdapterCompatible with Wi-Fi AdapterHD SpeakerHD HandsetHeadset Port3-Way Conferencing Yealink SIP-T29G Features 4.3" Color LCDDual-Port Gigabit Ethernet16 Lines27 Memory KeysCompatible with Expansion BusCompatible with Bluetooth AdapterCompatible with Wi-Fi AdapterHD SpeakerHD HandsetHeadset Port3-Way Conferencing Yealink SIP-T41S Features 2.7" Graphical LCD2 x RJ-45 10/100M Ethernet Ports6 Lines15 Memory KeysCompatible with Bluetooth AdapterCompatible with Wi-Fi AdapterHD SpeakerHD HandsetHeadset Port3-Way Conferencing Yealink SIP-T46S Features 4.3" Color LCDDual-Port Gigabit Ethernet16 Lines27 Memory KeysCompatible with Expansion BusCompatible with Bluetooth AdapterCompatible with Wi-Fi AdapterHD SpeakerHD HandsetHeadset Port3-Way Conferencing Yealink SIP-T48S Features 7" Color Touch ScreenDual-Port Gigabit Ethernet16 Lines29 Touch KeysCompatible with Expansion BusCompatible with Bluetooth AdapterCompatible with Wi-Fi AdapterHD SpeakerHD HandsetHeadset Port3-Way Conferencing Yealink CP960 Features Conference phone for mid to large size meeting roomsClear sound qualityVoice pickup from up to 20 feet awayBackground noise reduction