ENGENIUS DuraFon-SIP-HC DuraFon(R) SIP Low-Profile Handset with 1.5dBi Antenna
Functions as a telephone or a 2-way radio; User handset naming; Keypad lock; Speakerphone; Caller ID & Call waiting; Vibrate mode; Line select; 2.5mm headset jack; Redial; Speed dial; Call hold & transfer; Wireless PBX function sharing; Wireless phone book sharing; Silent ring; Mute; Phone book supports up to 50 entries; Handset-to-handset interco;