Executive IP Phone(with POE), 6 SIP accounts, HD Voice: HD Codec, HD speaker, HD handset, 16 Programmable keys, XML phonebook, BLF 320 x 160 graphic LCD, 2xLAN ports. Yealink SIP-T28P is an executive IP phone designed for power users in office environment. It is especially designed for maximum productivity and efficiency in every-day business environment. Using TI chipset and Voice Engine SIP-T28P offers unrivalled superb HD Voice Quality, innovative functional richness, friendly user interface, stylish and elegant design. It is definitely able to provide a pleasant and satisfactory end-user experience.