The Avaya Partner 34D Series 2 Phone features a backlit tilting display. It offers the same functionality as the 34D Euro with updated styling. It has 32 programmable buttons along with 2 intercom buttons - a great phone for the office receptionist. The 34D Series 2 is compatible with Partner, Partner Plus, Partner II and Partner ACS systems. You can also use this phone with IP Office systems that have ETR ports.