Yealink SIP-T28P

TI TITAN chipset and TI voice engine

320×160 graphic LCD with 4-level grayscales

6 VoIP accounts, Broadsoft /Avaya/Asterisk validated

HD Voice: HD Codec, HD Handset, HD Speaker

48 keys including 16 programmable keys

BLF/BLA, SMS, Voicemail, Intercom

Localized language, XML phonebook

FTP/TFTP/HTTP, PnP Auto-provision

SRTP/HTTPS/TLS, VLAN, QoS

PoE, Headset, 2xRJ45, Expansion module