RCA 3-Line IP Phone with PoE: * Model Number: IP125 * HD-voice * Power over Ethernet ready * 3-line appearances * Supports up to 2 expansion consoles (Model number EM32) * Full duplex speakerphone with volume control * Do not disturb * VIP ringtones * Visual ringer * 3-way call conferencing * Voicemail through provider * Caller ID * Call transfer * Selectable ringtones * Phonebook/directory memory