Description Polycom VVX 310 is an expandable entry-level IP phone specially developed for businesses and to increase the productivity of telephone operators. The VVX 310 also provides users with the ability to integrate the applications they use on their PC: you can view and manage the Microsoft Exchange calendar, receive reminders for appointments or meetings, access the corporate directory and manage your status for instant messaging. Thanks to the RJ9 socket, you can finally connect a professional telephone headset to work with free hands. CHARACTERISTICS Up to 6 SIP accounts 2 ports Ethernet Gigabit RJ45 PoE (Power over Ethernet), optional external power optional LCD graphic display b/n from 208 x 104 pixels Headphone socket: RJ9 Polycom Acoustic ClarityTM: Noise and Eco-Delete Vivavoce Codec: G.711 (A -law and ?-law), G.729AB, G.722 , G.722.1, iLBC LED for call in progress Transfer call, wait, deviation Fast call button "Do not disturb" Conference with up to 3 users Transmission of audio packages with low delay