Description The Alcatel-Lucent OmniTouch 4135 IP conference phone is a device with SIP protocol. This system allows you to improve your professional relationships through collaboration, thus facilitating communication in your company. The Alcatel-Lucent 4135 conference phone has new features that allow companies to benefit from IP voice services and increase the efficiency of their conferences. The system supports the PoE power, which facilitates the connection and reduces the number of cables. Among the new features, it highlights the function that allows you to record and store calls, so you can communicate quietly and without forgetting anything. This new model is very ergonomic, it allows you to plan your call groups to organize meetings as quickly and easily as possible. You can also expand the system by adding 2 internal microphones, which allow you to expand the audio radio of the conference. It also distinguishes audio quality, with the OmniSound 2.0 system that gives OmniTouch 4135 an even more clear and professional sound quality. OmniSound 2.0 uses Full Duplex, an omnidirectional microphone and three speakers and has new features, including filters that reduce background noise. CHARACTERISTICS LCD screen 128x64 pixels Keyboard: alphanumeric 0-9, *, on/off, mute/standby, +/- Five buttons to navigate between menus, contacts and conference guide OmniSound 2.0 broadband technology Omnidirectional microphone Reception area: up to 30 m2 (320 feet2 ) for more than 10 people in one room. Local address book, maximum 1,000 voices per profile Compatible with SD memory cards up to 2 GB Power over Ethernet transformer (IEEE 802.3af) class 3 or 100V transformer AC up to 240V AC / 13.5V DC Connection RJ-45