The Avaya 5610 IP Telephone is simple to use with both fixed and flexible feature buttons, easy to read graphics, and several wall mount and desk mount options. They have been optimized for reliable use in IP networks, with sophisticated security capabilities such as media encryption and protection from denial of service attacks. Built in Ethernet switch ports enable streamlined desktop implementations, while voice packets are tagged with the appropriate quality of service parameters such as DiffServ for priority treatment by quality of service enabled IP networks. The 5610 Telephone also supports the 802.3af power over Ethernet standard.