Features2-line x 16-character display,6 programmable feature buttonsDedicated headset jackDisplays Caller ID and internal extension informationProvides such features as hold, transfer, conference, redial, muteBuilt-in 2-way speakerphone CompatibilityThe 4406D 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 4406D Plus Telephone Users Guide.pdf Avaya Magix 4400 Series Phones Data Sheet.pdf
