Yealink SIP-T28P represents the next generation VoIP phone which designed for the business user who needsrich telephony features, friendly UI and super voice quality. It is equipped with the TI TITAN chipset, offershigh definition voice quality through TI voice engine, HD handset, HD speaker and HD codec (G.722).By the large, high-resolution graphical display, and together with all the 48 keys, SIP-T28P offers an excellentuser experience to configure, make calls, express XML browser, etc. Moreover, to avoid problems with unwantedviolations of your audio data, Yealink SIP-T28P supports the security standards TLS, SRTP, HTTPS, 802.1x, OpenVPN and AES encryption which are necessary to protect against electronic eavesdropping and data theft.Executive IP Phone with 6 Lines & HD VoiceEnterprise HD IP Phone SIP-T28PTI TITAN chipset and TI voice engine6 VoIP accounts, 320x160 graphic LCDHD Voice: HD Codec, HD speaker, HD handsetIPV6, BLF/BLA, XML Browser, Hot-desking, OpenVPN2xLAN, PoE, Headset, Expansion module, EHS