Avaya ip500v2 is a new control unit which is an evolution of the existing ip500 and is fully backward compatible with it,the ip500 v2 operates in standard ip office mode as well as a new avaya ip office essential edition partner version.
designed to expand with your communication needs.
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1416 DIGITAL DESKPHONE
this deskphone is designed for receptionists,assistants,managers and other navigator users-people who answer incoming calls ,transfer customers,and monitor several lines throughout a typical day.this phone provides the most one-touch line/feature/speed-dial buttons,improving productivity and eliminating the need to scroll through on screen lists.
1408 DIGITAL DESKPHONE 
designed for cubicle workers,sales staff,and other users with relatively simple telephone needs,the 1408 office phone system delivers a straightforward,productivity enhancing interface.
1403 DIGITAL DESKPHONE
designed for visitors and other occasional users,this phone provides a simple,familiar interface.it is ideal for common locations of office phone systems,including stockrooms,lobbies,or drop-in desks.the 1403 is compatible with the avaya ip office platform only.
the avaya digital button module DBM32 provides 32 additional buttons with dual leds to the avaya 1416 digital phone.