Entry Level Operator IP Phone that can be expanded with modules TI TITAN chipset and TI voice engine 320x160 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