Features2-line x 24-character LCD display24 programmable line/feature buttons4 navigation keys for browsing feature menus and programmingDedicated headset jackDisplays Caller ID and internal extension informationProvides such features as hold, transfer, conference, redial, and muteBuilt-in 2-way speakerphoneCompatibilityThe 4424D Telephone is compatible with Merlin Magix and Avaya IP Office systems.It requires a station port on a 412 TDL, 024 TDL, IP403, IP406, IP406V2, IP400 DS16, or IP400 DS30.Includes RefurbishedLibraryAvaya 4424D Plus Telephone Users Guide.pdf Avaya 4400 Series Phones.pdf Avaya Magix 4400 Series Phones Data Sheet.pdf
